diff --git a/src/backend/executor/nodeModifyTable.c b/src/backend/executor/nodeModifyTable.c
index 6239abae90..dbdc8e5d52 100644
--- a/src/backend/executor/nodeModifyTable.c
+++ b/src/backend/executor/nodeModifyTable.c
@@ -1517,9 +1517,10 @@ ldelete:;
  * for the caller.
  *
  * False is returned if the tuple we're trying to move is found to have been
- * concurrently updated.  In that case, the caller must to check if the
- * updated tuple that's returned in *retry_slot still needs to be re-routed,
- * and call this function again or perform a regular update accordingly.
+ * concurrently updated.  In that case, the caller must check if the updated
+ * tuple that's returned in context->cpUpdateRetrySlot still needs to be
+ * re-routed, and call this function again or perform a regular update
+ * accordingly.
  */
 static bool
 ExecCrossPartitionUpdate(ModifyTableContext *context,