diff --git a/INTERNALS.md b/INTERNALS.md
index fe46977..67daa0a 100644
--- a/INTERNALS.md
+++ b/INTERNALS.md
@@ -84,7 +84,7 @@
 
 ## MySQLTuner Server version checks
 * EOL MySQL version check
-* Currently MySQL < 5.1 are EOF considerated.
+* Currently MySQL < 5.1 are EOF considered.
 * Using 5.5+ version of MySQL for performance issue (asynchronous IO).
 
 ## MySQL Storage engine general information
@@ -179,7 +179,7 @@
    * Query Cache Buffers
    * Query Cache DISABLED, ALL REQUEST or ON DEMAND
    * Query Cache Size
-   * Query cache hit ratio (cache efficienty)
+   * Query cache hit ratio (cache efficiency)
 
 ## MySQLTuner memory checks
 
@@ -194,11 +194,11 @@
 
 ## MySQLTuner replication checks
 
-* Is server replication configuarted as slave ?
-* SQL replacation thread running ?
-* IO replacation thread running ?
+* Is server replication configured as slave ?
+* SQL replication thread running ?
+* IO replication thread running ?
 * Replication lag in seconds
-* Is Slave configuratedd in read only ?
+* Is Slave configured in read only ?
 
 ## MySQLTuner InnoDB information
 
@@ -206,16 +206,16 @@
    * If possible, innodb_buffer_pool_size should be greater data and index size for Innodb Table
    * Innodb_buffer_pool_size should around 75 to 80 % of the available system memory.
 * InnoDB Buffer Pool Instances
-   * MySQL needs 1 instanes per 1Go of Buffer Pool
+   * MySQL needs 1 instance per 1Go of Buffer Pool
    * innodb_buffer_pool instances = round(innodb_buffer_pool_size / 1Go)
    * innodb_buffer_pool instances must be equals or lower than 64
 * InnoDB Buffer Pool Usage
    * If more than 20% of InnoDB buffer pool is not used, MySQLTuner raise an alert.
 * InnoDB Buffer Pool Log Size
    * InnoDB total log file size should be 25% of innodb_buffer_pool_size
-* InnoDB Read effiency
+* InnoDB Read efficiency
    * Ratio of read without locks
-* InnoDB Write effiency
+* InnoDB Write efficiency
    * Ratio of write without locks
 * InnoDB Log Waits
    * Checks that no lock is used on Innodb Log.
@@ -299,7 +299,7 @@
 
 ## MySQLTuner performance schema and sysschema information
 * Check that Performance schema is activated for 5.6+ version
-* Check that Performance schema is disactivated for 5.5- version
+* Check that Performance schema is deactivated for 5.5- version
 * Check that Sys schema is installed
 * sys Schema version
 * Top user per connection
diff --git a/README.md b/README.md
index 25c2357..db5e21b 100644
--- a/README.md
+++ b/README.md
@@ -144,7 +144,7 @@ Once you create it, make sure it's owned by your user and the mode on the file i
 You could use mysql_config_editor utilities.
 
 	$ mysql_config_editor set --login-path=client --user=someusername --password --host=localhost
-	Enter passord: ********
+	Enter password: ********
 	$
 
 After which, ~/.mylogin.cnf will be created with the appropriate access.
diff --git a/USAGE.md b/USAGE.md
index bb9a426..f56d4a6 100644
--- a/USAGE.md
+++ b/USAGE.md
@@ -9,7 +9,7 @@ Allow MySQL server to run for at least 24-48 hours before trusting suggestions
 Some routines may require root level privileges (script will provide warnings)
 You must provide the remote server's total memory when connecting to other servers
 
-# CONNECTION AND AUTHENTIFICATION
+# CONNECTION AND AUTHENTICATION
 
     --host <hostname>           Connect to a remote host to perform tests (default: localhost)
     --socket <socket>           Use a different socket for a local connection
diff --git a/build/updateStaff.sh b/build/updateStaff.sh
index 2b6a220..00cf77b 100644
--- a/build/updateStaff.sh
+++ b/build/updateStaff.sh
@@ -6,10 +6,10 @@ pod2markdown mysqltuner.pl >USAGE.md
 echo "* TIDYFY SCRIPT"
 perltidy -b mysqltuner.pl
 )
-echo "* Udate CVE list"
+echo "* Update CVE list"
 perl updateCVElist.pl
 
 git add ../vulnerabilities.csv ../mysqltuner.pl ./USAGE.md
 git commit -m 'Update Vulnerabilities list
-Identing mysqltuner
+Indenting mysqltuner
 Update Usage information'
\ No newline at end of file
diff --git a/mysqltuner.pl b/mysqltuner.pl
index a256a34..61eb6b1 100755
--- a/mysqltuner.pl
+++ b/mysqltuner.pl
@@ -128,7 +128,7 @@ GetOptions(
     -sections => [
         "NAME",
         "IMPORTANT USAGE GUIDELINES",
-        "CONNECTION AND AUTHENTIFICATION",
+        "CONNECTION AND AUTHENTICATION",
         "PERFORMANCE AND REPORTING OPTIONS",
         "OUTPUT OPTIONS"
     ]
@@ -141,7 +141,7 @@ if ( defined $opt{'help'} && $opt{'help'} == 1 ) {
         -sections => [
             "NAME",
             "IMPORTANT USAGE GUIDELINES",
-            "CONNECTION AND AUTHENTIFICATION",
+            "CONNECTION AND AUTHENTICATION",
             "PERFORMANCE AND REPORTING OPTIONS",
             "OUTPUT OPTIONS"
         ]
@@ -1169,7 +1169,7 @@ sub get_log_file_real_path {
     }
 }
 
-sub log_file_recommandations {
+sub log_file_recommendations {
     $myvar{'log_error'} =
       get_log_file_real_path( $myvar{'log_error'}, $myvar{'hostname'},
         $myvar{'datadir'} );
@@ -1372,10 +1372,10 @@ sub get_other_process_memory {
 sub get_os_release {
     if ( -f "/etc/lsb-release" ) {
         my @info_release = get_file_contents "/etc/lsb-release";
-        my $os_relase    = $info_release[3];
-        $os_relase =~ s/.*="//;
-        $os_relase =~ s/"$//;
-        return $os_relase;
+        my $os_release    = $info_release[3];
+        $os_release =~ s/.*="//;
+        $os_release =~ s/"$//;
+        return $os_release;
     }
 
     if ( -f "/etc/system-release" ) {
@@ -1385,17 +1385,17 @@ sub get_os_release {
 
     if ( -f "/etc/os-release" ) {
         my @info_release = get_file_contents "/etc/os-release";
-        my $os_relase    = $info_release[0];
-        $os_relase =~ s/.*="//;
-        $os_relase =~ s/"$//;
-        return $os_relase;
+        my $os_release    = $info_release[0];
+        $os_release =~ s/.*="//;
+        $os_release =~ s/"$//;
+        return $os_release;
     }
 
     if ( -f "/etc/issue" ) {
         my @info_release = get_file_contents "/etc/issue";
-        my $os_relase    = $info_release[0];
-        $os_relase =~ s/\s+\\n.*//;
-        return $os_relase;
+        my $os_release    = $info_release[0];
+        $os_release =~ s/\s+\\n.*//;
+        return $os_release;
     }
     return "Unknown OS release";
 }
@@ -2574,7 +2574,7 @@ sub calculations {
               $myvar{'innodb_buffer_pool_size'} );
     }
 
-    # InnoDB Buffer pool read cache effiency
+    # InnoDB Buffer pool read cache efficiency
     (
         $mystat{'Innodb_buffer_pool_read_requests'},
         $mystat{'Innodb_buffer_pool_reads'}
@@ -2594,7 +2594,7 @@ sub calculations {
     debugprint "Innodb_buffer_pool_read_requests: "
       . $mystat{'Innodb_buffer_pool_read_requests'} . "";
 
-    # InnoDB log write cache effiency
+    # InnoDB log write cache efficiency
     ( $mystat{'Innodb_log_write_requests'}, $mystat{'Innodb_log_writes'} ) =
       ( 1, 1 )
       unless defined $mystat{'Innodb_log_writes'};
@@ -3412,7 +3412,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery conn(s)";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Top user per statement
@@ -3427,7 +3427,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery stmt(s)";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Top user per statement latency
@@ -3442,7 +3442,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Top user per lock latency
@@ -3457,7 +3457,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Top user per full scans
@@ -3472,7 +3472,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Top user per row_sent
@@ -3487,7 +3487,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Top user per row modified
@@ -3502,7 +3502,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Top user per io
@@ -3517,7 +3517,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Top user per io latency
@@ -3532,7 +3532,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Top host per connection
@@ -3547,7 +3547,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery conn(s)";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Top host per statement
@@ -3562,7 +3562,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery stmt(s)";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Top host per statement latency
@@ -3577,7 +3577,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Top host per lock latency
@@ -3592,7 +3592,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Top host per full scans
@@ -3607,7 +3607,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Top host per rows sent
@@ -3622,7 +3622,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Top host per rows modified
@@ -3637,7 +3637,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Top host per io
@@ -3652,7 +3652,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Top 5 host per io latency
@@ -3667,7 +3667,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Top IO type order by total io
@@ -3682,7 +3682,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery i/o";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Top IO type order by total latency
@@ -3697,7 +3697,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Top IO type order by max latency
@@ -3712,7 +3712,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Top Stages order by total io
@@ -3727,7 +3727,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery i/o";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Top Stages order by total latency
@@ -3742,7 +3742,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Top Stages order by avg latency
@@ -3757,7 +3757,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Top host per table scans
@@ -3772,7 +3772,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # InnoDB Buffer Pool by schema
@@ -3787,7 +3787,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery page(s)";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # InnoDB Buffer Pool by table
@@ -3802,7 +3802,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery page(s)";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Process per allocated memory
@@ -3817,7 +3817,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # InnoDB Lock Waits
@@ -3832,7 +3832,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Threads IO Latency
@@ -3847,7 +3847,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # High Cost SQL statements
@@ -3862,7 +3862,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Top 5% slower queries
@@ -3877,7 +3877,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery s";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Top 10 nb statement type
@@ -3892,7 +3892,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Top statement by total latency
@@ -3907,7 +3907,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Top statement by lock latency
@@ -3922,7 +3922,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Top statement by full scans
@@ -3937,7 +3937,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Top statement by rows sent
@@ -3952,7 +3952,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Top statement by rows modified
@@ -3967,7 +3967,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Use temporary tables
@@ -3982,7 +3982,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Unused Indexes
@@ -3992,7 +3992,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Full table scans
@@ -4007,7 +4007,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Latest file IO by latency
@@ -4022,7 +4022,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # FILE by IO read bytes
@@ -4037,7 +4037,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # FILE by IO written bytes
@@ -4052,7 +4052,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # file per IO total latency
@@ -4067,7 +4067,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # file per IO read latency
@@ -4082,7 +4082,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # file per IO write latency
@@ -4097,7 +4097,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Event Wait by read bytes
@@ -4112,7 +4112,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Event Wait by write bytes
@@ -4127,7 +4127,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # event per wait total latency
@@ -4142,7 +4142,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # event per wait read latency
@@ -4157,7 +4157,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # event per wait write latency
@@ -4172,7 +4172,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     #schema_index_statistics
@@ -4188,7 +4188,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # TOP 15 most used index
@@ -4203,7 +4203,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # TOP 15 high read latency index
@@ -4218,7 +4218,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # TOP 15 high insert latency index
@@ -4233,7 +4233,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # TOP 15 high update latency index
@@ -4248,7 +4248,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # TOP 15 high delete latency index
@@ -4263,7 +4263,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # TOP 15 most read tables
@@ -4278,7 +4278,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # TOP 15 most used tables
@@ -4293,7 +4293,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # TOP 15 high read latency tables
@@ -4308,7 +4308,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # TOP 15 high insert latency tables
@@ -4323,7 +4323,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # TOP 15 high update latency tables
@@ -4338,7 +4338,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # TOP 15 high delete latency tables
@@ -4353,7 +4353,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     # Redundant indexes
@@ -4365,7 +4365,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     subheaderprint "Performance schema: Tables not using InnoDB buffer";
@@ -4379,7 +4379,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     subheaderprint "Performance schema: Table not using InnoDB buffer";
@@ -4393,7 +4393,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
     subheaderprint "Performance schema: Table not using InnoDB buffer";
     $nbL = 1;
@@ -4406,7 +4406,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     subheaderprint "Performance schema: Top 15 Tables using InnoDB buffer";
@@ -4420,7 +4420,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     subheaderprint "Performance schema: Top 15 Tables with InnoDB buffer free";
@@ -4434,7 +4434,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     subheaderprint "Performance schema: Top 15 Most executed queries";
@@ -4448,7 +4448,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     subheaderprint
@@ -4463,7 +4463,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     subheaderprint "Performance schema: Top 20 queries with full table scans";
@@ -4477,7 +4477,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     subheaderprint "Performance schema: Last 50 queries with full table scans";
@@ -4491,7 +4491,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     subheaderprint "Performance schema: TOP 15 reader queries (95% percentile)";
@@ -4505,7 +4505,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     subheaderprint
@@ -4520,7 +4520,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     subheaderprint
@@ -4535,7 +4535,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     subheaderprint
@@ -4550,7 +4550,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     subheaderprint
@@ -4565,7 +4565,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     subheaderprint "Performance schema: Top 20 queries with sort";
@@ -4579,7 +4579,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     subheaderprint "Performance schema: Last 50 queries with sort";
@@ -4593,7 +4593,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     subheaderprint "Performance schema: TOP 15 row sorting queries with sort";
@@ -4607,7 +4607,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     subheaderprint "Performance schema: TOP 15 total latency queries with sort";
@@ -4621,7 +4621,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     subheaderprint "Performance schema: TOP 15 merge queries with sort";
@@ -4635,7 +4635,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     subheaderprint
@@ -4650,7 +4650,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     subheaderprint "Performance schema: TOP 15 scans queries with sort";
@@ -4664,7 +4664,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     subheaderprint "Performance schema: TOP 15 range queries with sort";
@@ -4678,7 +4678,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
 ##################################################################################
@@ -4714,7 +4714,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     subheaderprint "Performance schema: Last 50 queries with temp table";
@@ -4728,7 +4728,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     subheaderprint
@@ -4743,7 +4743,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     subheaderprint "Performance schema: TOP 15 queries with temp table to disk";
@@ -4757,7 +4757,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
 ##################################################################################
@@ -4784,7 +4784,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     subheaderprint "Performance schema: TOP 30 events by number";
@@ -4798,7 +4798,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     subheaderprint "Performance schema: TOP 15 class events by total latency";
@@ -4812,7 +4812,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     subheaderprint "Performance schema: TOP 30 events by total latency";
@@ -4826,7 +4826,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     subheaderprint "Performance schema: TOP 15 class events by max latency";
@@ -4840,7 +4840,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
     subheaderprint "Performance schema: TOP 30 events by max latency";
@@ -4854,7 +4854,7 @@ sub mysqsl_pfs {
         infoprint " +-- $nbL: $lQuery";
         $nbL++;
     }
-    infoprint "No information found or indicators desactivated."
+    infoprint "No information found or indicators deactivated."
       if ( $nbL == 1 );
 
 }
@@ -5565,7 +5565,7 @@ sub mysql_innodb {
         }
     }
 
-    # InnoDB Read efficency
+    # InnoDB Read efficiency
     if ( defined $mycalc{'pct_read_efficiency'}
         && $mycalc{'pct_read_efficiency'} < 90 )
     {
@@ -6134,7 +6134,7 @@ validate_mysql_version;    # Check current MySQL version
 
 check_architecture;        # Suggest 64-bit upgrade
 system_recommendations;    # avoid to many service on the same host
-log_file_recommandations;  # check log file content
+log_file_recommendations;  # check log file content
 check_storage_engines;     # Show enabled storage engines
 mysql_databases;           # Show informations about databases
 mysql_tables;              # Show informations about table column
@@ -6182,7 +6182,7 @@ Allow MySQL server to run for at least 24-48 hours before trusting suggestions
 Some routines may require root level privileges (script will provide warnings)
 You must provide the remote server's total memory when connecting to other servers
 
-=head1 CONNECTION AND AUTHENTIFICATION
+=head1 CONNECTION AND AUTHENTICATION
 
  --host <hostname>           Connect to a remote host to perform tests (default: localhost)
  --socket <socket>           Use a different socket for a local connection