diff --git a/src/backend/replication/slot.c b/src/backend/replication/slot.c
index 7b5e0a89bfb..5a7d021f585 100644
--- a/src/backend/replication/slot.c
+++ b/src/backend/replication/slot.c
@@ -544,7 +544,7 @@ ReplicationSlotMarkDirty(void)
 }
 
 /*
- * Convert a slot that's marked as RS_DROP_ON_ERROR to a RS_PERSISTENT slot,
+ * Convert a slot that's marked as RS_EPHEMERAL to a RS_PERSISTENT slot,
  * guaranteeing it will be there after a eventual crash.
  */
 void