diff --git a/README.md b/README.md
index 0d15b9c..65a50a6 100644
--- a/README.md
+++ b/README.md
@@ -125,6 +125,11 @@ You can follow this command to create a new database sys containing very useful
 	cd mariadb-sys-master/
 	mysql -u root -p < ./sys_10.sql
 
+Errors & solutions for performance schema
+
+     ERROR at line 21: Failed to open file './tables/sys_config_data_10.sql -- ported', error: 2
+     Have a look at #452 solution given by @ericx
+
 Performance tips
 --
 Metadata statistic updates can impact strongly performance of database servers and MySQLTuner.