diff --git a/po/ca.po b/po/ca.po
index ae1e804ee..22b69c4d4 100644
--- a/po/ca.po
+++ b/po/ca.po
@@ -1056,7 +1056,7 @@ msgstr "Eliminació de columna"
 
 #: js/messages.php:67
 msgid "Adding Primary Key"
-msgstr ""
+msgstr "Afegir clau principal"
 
 #: js/messages.php:68 libraries/relation.lib.php:81 pmd_general.php:388
 #: pmd_general.php:545 pmd_general.php:593 pmd_general.php:669