fixing doc error

Author: v-dharmarajv

sdk/communication/azure-communication-callautomation/azure/communication/callautomation/_call_connection_client.py

@@ -1052,7 +1052,7 @@ def unhold(
         :keyword operation_context: Value that can be used to track this call and its associated events.
         :paramtype operation_context: str or None
         :keyword operation_callback_url: Set a callback URL that overrides the default callback URL set
-         by CreateCall/AnswerCall for this operation. 
+            by CreateCall/AnswerCall for this operation.
             This setup is per-action. If this is not set, the default callback URL set by
             CreateCall/AnswerCall will be used.
         :paramtype operation_callback_url: str or None

sdk/communication/azure-communication-callautomation/azure/communication/callautomation/aio/_call_connection_client_async.py

@@ -1076,9 +1076,9 @@ async def unhold(
         :keyword operation_context: Value that can be used to track this call and its associated events.
         :paramtype operation_context: str or None
         :keyword operation_callback_url: Set a callback URL that overrides the default callback URL set
-        by CreateCall/AnswerCall for this operation.
-        This setup is per-action. If this is not set, the default callback URL set by
-        CreateCall/AnswerCall will be used.
+            by CreateCall/AnswerCall for this operation.
+            This setup is per-action. If this is not set, the default callback URL set by
+            CreateCall/AnswerCall will be used.
         :paramtype operation_callback_url: str or None
         :return: None
         :rtype: None