diff --git a/docs/en/guides/storage-extention.md b/docs/en/guides/storage-extention.md
index 63d8fde0dd87..2c95fa507df6 100644
--- a/docs/en/guides/storage-extention.md
+++ b/docs/en/guides/storage-extention.md
@@ -16,12 +16,12 @@ public Class<? extends ModuleDefine> module() {
 Here is the list of all DAO interfaces in storage
 1. IServiceInventoryCacheDAO
 1. IServiceInstanceInventoryCacheDAO
-1. H2EndpointInventoryCacheDAO
-1. H2NetworkAddressInventoryCacheDAO
+1. IEndpointInventoryCacheDAO
+1. INetworkAddressInventoryCacheDAO
 1. IBatchDAO
 1. StorageDAO
 1. IRegisterLockDAO
-1. H2TopologyQueryDAO
+1. ITopologyQueryDAO
 1. IMetricsQueryDAO
 1. ITraceQueryDAO
 1. IMetadataQueryDAO