diff --git a/po/cs.po b/po/cs.po
index 88e7f89d8f..36bd4606e8 100644
--- a/po/cs.po
+++ b/po/cs.po
@@ -12029,7 +12029,7 @@ msgstr ""
 
 #: po/advisory_rules.php:80
 msgid "Query cache efficiency (%)"
-msgstr ""
+msgstr "Úspěšnost vyrovnávací paměti dotazů (%)"
 
 #: po/advisory_rules.php:81
 msgid "Query cache not running efficiently, it has a low hit rate."