update en-US

lib/locales/en-US/translation.json

@@ -306,7 +306,8 @@
 
   "user_management": { 
         "User management": "User management",
-        "invite_users": "Invite new users"
+        "invite_users": "Invite new users",
+        "external_account": "External account management" 
          
       }
 }