diff --git a/src/backend/postmaster/checkpointer.c b/src/backend/postmaster/checkpointer.c
index 13f152b473..6ceff63ae1 100644
--- a/src/backend/postmaster/checkpointer.c
+++ b/src/backend/postmaster/checkpointer.c
@@ -1213,8 +1213,8 @@ CompactCheckpointerRequestQueue(void)
 	 * backwards from the end of the queue and check whether a request is
 	 * *preceded* by an earlier, identical request, in the hopes of doing less
 	 * copying.  But that might change the semantics, if there's an
-	 * intervening FORGET_RELATION_FSYNC or FORGET_DATABASE_FSYNC request, so
-	 * we do it this way.  It would be possible to be even smarter if we made
+	 * intervening SYNC_FORGET_REQUEST, so we do it this way.
+	 * It would be possible to be even smarter if we made
 	 * the code below understand the specific semantics of such requests (it
 	 * could blow away preceding entries that would end up being canceled
 	 * anyhow), but it's not clear that the extra complexity would buy us