Update en-us.all.json

translations/en-us.all.json

@@ -1959,6 +1959,10 @@
     "id": "announcement",
     "translation": "Announcement"
   },
+  {
+    "id": "create_anouncement_success",
+    "translation": "Announcement successfully created"
+  },
   {
     "id": "update_client_failed",
     "translation": "Update of the client has failed!"