diff --git a/config/etc/default/restconf.yaml b/config/etc/default/restconf.yaml
index 6a330b8b..90729658 100644
--- a/config/etc/default/restconf.yaml
+++ b/config/etc/default/restconf.yaml
@@ -43,22 +43,22 @@ database:
   name: omc_db
   backup: /usr/local/omc/database
 
-# Redis 缓存数据，数据源声明全小写
+# Redis data cache
 redis:
   dataSource:
-    # OMC系统使用库
+    # OMC system db
     default:
       port: 6379 # Redis port
       host: "127.0.0.1" # Redis host
       password: ""
       db: 10 # Redis db_num
-    # UDM网元用户库
+    # UDM sub/auth db
     udmuser:
       port: 6379 # Redis port
       host: "127.0.0.1"
       password: ""
       db: 0 # Redis db_num
-  # 多个数据源时可以用这个指定默认的数据源
+  # used to specify the default data source for multiple data resourece
   defaultDataSourceName: "default"
 
 mml: