Tidy

Author: MetRonnie

cylc/flow/task_events_mgr.py

@@ -983,7 +983,7 @@ def process_job_message(
         message: str,
         event_time: str,
     ) -> bool:
-        """Process a job message only.
+        """Process a job message only, without affecting its task.
 
         E.g. for a task that is no longer in the pool because it was manually
         set to completed.