diff --git a/ui/README.md b/ui/README.md
index 938d6717820..cf6721e55d8 100644
--- a/ui/README.md
+++ b/ui/README.md
@@ -54,17 +54,22 @@ Fix issues and vulnerabilities:
 
     npm audit
 
-### Customisation
+### Documentation
 
-- Theme:  `vue.config.js`
-eg:
+- Router [Configuration](config.md)
+- [Resource List View](listview.md) customisation
+- [Resource Detail View](detailview.md) customisation
+- [Action](action.md) customisation
+- Styling
+- Testing
+- [Theme](https://vue.ant.design/docs/vue/customize-theme/): Customise via `vue.config.js`
 ```ecmascript 6
   css: {
     loaderOptions: {
       less: {
         modifyVars: {
           /* Less variables, required modifyVars*/
-
+          /* Refer to variables at https://vue.ant.design/docs/vue/customize-theme/ */
           'primary-color': '#F5222D',
           'link-color': '#F5222D',
           'border-radius-base': '4px',
diff --git a/ui/docs/README.md b/ui/docs/README.md
deleted file mode 100644
index ceb84ab4538..00000000000
--- a/ui/docs/README.md
+++ /dev/null
@@ -1,8 +0,0 @@
-# Documentation
-
-- Router [Configuration](config.md)
-- [List View](listview.md) customisation
-- [Resource Detail View](detailview.md) customisation
-- [Actions](action.md) customisation
-- Styling
-- Testing