Fix docstring on add_account_data_for_user.

changelog.d/11716.misc

@@ -0,0 +1 @@
+Fix docstring on `add_account_data_for_user`.

synapse/handlers/account_data.py

@@ -77,7 +77,7 @@ async def add_account_data_to_room(
     async def add_account_data_for_user(
         self, user_id: str, account_data_type: str, content: JsonDict
     ) -> int:
-        """Add some account_data to a room for a user.
+        """Add some global account_data for a user.
 
         Args:
             user_id: The user to add a tag for.

synapse/storage/databases/main/account_data.py

@@ -450,7 +450,7 @@ async def add_account_data_to_room(
     async def add_account_data_for_user(
         self, user_id: str, account_data_type: str, content: JsonDict
     ) -> int:
-        """Add some account_data to a room for a user.
+        """Add some global account_data for a user.
 
         Args:
             user_id: The user to add a tag for.