diff --git a/node/cn/backend.go b/node/cn/backend.go
index d62deccf3..508ccbb9a 100644
--- a/node/cn/backend.go
+++ b/node/cn/backend.go
@@ -280,8 +280,8 @@ func New(ctx *node.ServiceContext, config *Config) (*CN, error) {
 		}
 	)
 
-	// Temporally set compression module for genesis block reterival
-	// Module will be reset in `SetupKaiaxModules`
+	// Temporally set compression module for genesis block retrieval
+	// Compression module will be reset in `SetupKaiaxModules` by DB manager
 	chainDB.SetCompressModule(compress_impl.NewCompression())
 	bc, err := blockchain.NewBlockChain(chainDB, cacheConfig, cn.chainConfig, cn.engine, vmConfig)
 	if err != nil {