diff --git a/kv/raftstore/peer.go b/kv/raftstore/peer.go
index c75fe59cc..8d81e0f3e 100644
--- a/kv/raftstore/peer.go
+++ b/kv/raftstore/peer.go
@@ -209,7 +209,7 @@ func (p *peer) Destroy(engine *engine_util.Engines, keepData bool) error {
 		return err
 	}
 	meta.WriteRegionState(kvWB, region, rspb.PeerState_Tombstone)
-	// write kv rocksdb first in case of restart happen between two write
+	// write kv badgerDB first in case of restart happen between two write
 	if err := kvWB.WriteToDB(engine.Kv); err != nil {
 		return err
 	}