diff --git a/po/sl.po b/po/sl.po
index eeeaee486..c96c0fee8 100644
--- a/po/sl.po
+++ b/po/sl.po
@@ -1069,7 +1069,7 @@ msgstr "Brisanje stolpca"
 
 #: js/messages.php:67
 msgid "Adding Primary Key"
-msgstr ""
+msgstr "Dodajanje primarnega ključa"
 
 #: js/messages.php:68 libraries/relation.lib.php:81 pmd_general.php:339
 msgid "OK"