diff --git a/src/backend/executor/nodeGather.c b/src/backend/executor/nodeGather.c
index b6e82d1..8c6d3e3 100644
--- a/src/backend/executor/nodeGather.c
+++ b/src/backend/executor/nodeGather.c
@@ -1,7 +1,8 @@
 /*-------------------------------------------------------------------------
  *
  * nodeGather.c
- *	  Support routines for scanning a plan via multiple workers.
+ *	  Support routines for getting the result from a plan via multiple
+ *	  workers.
  *
  * Portions Copyright (c) 1996-2015, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
@@ -11,7 +12,8 @@
  * or have not started up yet.  It then merges all of the results it produces
  * and the results from the workers into a single output stream.  Therefore,
  * it will normally be used with a plan where running multiple copies of the
- * same plan does not produce duplicate output, such as PartialSeqScan.
+ * same plan does not produce duplicate output, such as parallel-aware
+ * SeqScan.
  *
  * Alternatively, a Gather node can be configured to use just one worker
  * and the single-copy flag can be set.  In this case, the Gather node will