diff --git a/po/en_GB.po b/po/en_GB.po
index e1396e9f2..622b185c2 100644
--- a/po/en_GB.po
+++ b/po/en_GB.po
@@ -1059,7 +1059,7 @@ msgstr "Dropping Column"
 
 #: js/messages.php:67
 msgid "Adding Primary Key"
-msgstr ""
+msgstr "Adding Primary Key"
 
 #: js/messages.php:68 libraries/relation.lib.php:81 pmd_general.php:339
 msgid "OK"