diff --git a/libraries/mysql_charsets.lib.php b/libraries/mysql_charsets.lib.php
index d38775f06..73d8ab0b9 100644
--- a/libraries/mysql_charsets.lib.php
+++ b/libraries/mysql_charsets.lib.php
@@ -121,8 +121,8 @@ if (PMA_MYSQL_INT_VERSION >= 40100){
             // MySQL 4.1.0 does not support seperate charset settings
             // for databases.
             PMA_DBI_select_db( $db );
-            // we got one case in 4.1.13 where the query does not work 
-            // if this string is in double quotes
+            // the query does not work if this string is in double quotes
+            // and MySQL is running in ANSI mode
             $return = PMA_DBI_fetch_value( 'SHOW VARIABLES LIKE \'collation_database\'', 0, 1 );
             if ( isset( $GLOBALS['db'] ) && $db !== $GLOBALS['db'] ) {
                 PMA_DBI_select_db( $GLOBALS['db'] );