diff --git a/libraries/common.lib.php b/libraries/common.lib.php
index 8388572ae..95aaae6c9 100644
--- a/libraries/common.lib.php
+++ b/libraries/common.lib.php
@@ -401,7 +401,11 @@ function PMA_showMySQLDocu($chapter, $link, $big_icon = false, $anchor = '', $ju
             $mysql = '5.0';
             $lang = 'en';
             if (defined('PMA_MYSQL_INT_VERSION')) {
-                if (PMA_MYSQL_INT_VERSION >= 50100) {
+                if (PMA_MYSQL_INT_VERSION >= 50500) {
+                    $mysql = '5.5';
+                    /* l10n: Language to use for MySQL 5.5 documentation, please use only languages which do exist in official documentation.  */
+                    $lang = _pgettext('MySQL 5.5 documentation language', 'en');
+                } else if (PMA_MYSQL_INT_VERSION >= 50100) {
                     $mysql = '5.1';
                     /* l10n: Language to use for MySQL 5.1 documentation, please use only languages which do exist in official documentation.  */
                     $lang = _pgettext('MySQL 5.1 documentation language', 'en');