diff --git a/po/pl.po b/po/pl.po
index a8d06581b..c87ea229e 100644
--- a/po/pl.po
+++ b/po/pl.po
@@ -6583,7 +6583,7 @@ msgstr "Wewnętrzne relacje"
 
 #: libraries/schema/User_Schema.class.php:116
 msgid "FOREIGN KEY"
-msgstr ""
+msgstr "KLUCZ OBCY"
 
 #: libraries/schema/User_Schema.class.php:148
 msgid "Please choose a page to edit"