diff --git a/src/backend/replication/logical/launcher.c b/src/backend/replication/logical/launcher.c
index 8344e4509b..c154eed34c 100644
--- a/src/backend/replication/logical/launcher.c
+++ b/src/backend/replication/logical/launcher.c
@@ -664,15 +664,13 @@ logicalrep_worker_attach(int slot)
 }
 
 /*
- * Detach the worker (cleans up the worker info).
+ * Stop the parallel apply workers if any, and detach the leader apply
+ * worker (cleans up the worker info).
  */
 static void
 logicalrep_worker_detach(void)
 {
-	/*
-	 * If this is the leader apply worker then stop all the parallel apply
-	 * workers previously started from here.
-	 */
+	/* Stop the parallel apply workers. */
 	if (!am_parallel_apply_worker() && !am_tablesync_worker())
 	{
 		List	   *workers;
diff --git a/src/backend/replication/logical/worker.c b/src/backend/replication/logical/worker.c
index 2bff1dbc74..e8aa661971 100644
--- a/src/backend/replication/logical/worker.c
+++ b/src/backend/replication/logical/worker.c
@@ -58,20 +58,18 @@
  * parallel apply workers (max_parallel_apply_workers_per_subscription), but this
  * may waste some memory if no process is actually started.
  *
- * The dynamic shared memory segment will contain  (1) a shm_mq that can be
+ * The dynamic shared memory segment will contain (a) a shm_mq that can be
  * used to send changes in the transaction from leader apply worker to parallel
- * apply worker (2) another shm_mq that can be used to send errors (and other
+ * apply worker (b) another shm_mq that can be used to send errors (and other
  * messages reported via elog/ereport) from the parallel apply worker to leader
- * apply worker (3) necessary information to be shared among parallel apply
- * workers and leader apply worker(i.e. in_parallel_apply_xact flag and the
+ * apply worker (c) necessary information to be shared among parallel apply
+ * workers and leader apply worker (i.e. in_parallel_apply_xact flag and the
  * corresponding LogicalRepWorker slot information).
  *
- * 2) Write to temporary files and apply when the final commit arrives
+ * In case, no worker is available to handle the streamed transaction, we
+ * follow approach 2.
  *
- * If streaming = true, or if streaming = parallel but there are not parallel
- * apply workers available to handle the streamed transaction, the data is
- * written to temporary files and then applied at once when the final commit
- * arrives.
+ * 2) Write to temporary files and apply when the final commit arrives
  *
  * Unlike the regular (non-streamed) case, handling streamed transactions has
  * to handle aborts of both the toplevel transaction and subtransactions. This