diff --git a/src/assets/translations/fa.json b/src/assets/translations/fa.json
index d70980e..c4cca60 100644
--- a/src/assets/translations/fa.json
+++ b/src/assets/translations/fa.json
@@ -441,6 +441,7 @@
     },
     "create": {
         "field_required": "این فیلد ضروری است",
-        "room_type_channel_name": "کانال"
+        "room_type_channel_name": "کانال",
+        "topic_too_long": "حداکثر 50 کاراکتر مجاز است"
     }
 }