diff --git a/internal/kv/rocksdb/rocksdb_kv.go b/internal/kv/rocksdb/rocksdb_kv.go
index e48b4d0f66..0fb5cd62a2 100644
--- a/internal/kv/rocksdb/rocksdb_kv.go
+++ b/internal/kv/rocksdb/rocksdb_kv.go
@@ -212,7 +212,7 @@ func (kv *RocksdbKV) RemoveWithPrefix(prefix string) error {
 // Remove is used to remove a pair of key-value
 func (kv *RocksdbKV) Remove(key string) error {
 	if kv.DB == nil {
-		return errors.New("Rocksdb instance is nil when do Remove")
+		return errors.New("rocksdb instance is nil when do Remove")
 	}
 	err := kv.DB.Delete(kv.WriteOptions, []byte(key))
 	return err