reviewed my own code

Author: GSmithApps

hello/hello_activity.py

@@ -51,7 +51,7 @@ async def main():
         task_queue="hello-activity-task-queue",
         workflows=[GreetingWorkflow],
         activities=[compose_greeting],
-        # Non-async activities require some kind of executor;
+        # Non-async activities require an executor;
         # a thread pool executor is recommended.
         # This same thread pool could be passed to multiple workers if desired.
         activity_executor=ThreadPoolExecutor(5),

hello/hello_activity_async.py

@@ -50,9 +50,9 @@ async def main():
         task_queue="hello-activity-task-queue",
         workflows=[GreetingWorkflow],
         activities=[compose_greeting],
-        # If the worker is running async activities, you don't need
+        # If the worker is only running async activities, you don't need
         # to supply an activity executor because they run in
-        # the event loop of the worker.
+        # the worker's event loop.
     ):
 
         # While the worker is running, use the client to run the workflow and