diff --git a/src/backend/replication/walsender.c b/src/backend/replication/walsender.c
index fe0d368a35..87bd647338 100644
--- a/src/backend/replication/walsender.c
+++ b/src/backend/replication/walsender.c
@@ -1243,7 +1243,7 @@ WalSndPrepareWrite(LogicalDecodingContext *ctx, XLogRecPtr lsn, TransactionId xi
 	pq_sendint64(ctx->out, lsn);	/* walEnd */
 
 	/*
-	 * Fill out the sendtime later, just as it's done in XLogSendPhysical, but
+	 * Fill out the sendtime later, just as it's done in WalSndWriteData, but
 	 * reserve space here.
 	 */
 	pq_sendint64(ctx->out, 0);	/* sendtime */
-- 
2.30.0