docs: update docs/vue-integration/README.md

Author: MichaelCurrin

docs/vue-integration/README.md

@@ -4,11 +4,18 @@
 
 ## Resources
 
-Based on the tutorial in the DocsifyJS docs - [Compatible with Vue](https://docsify.js.org/#/vue). 
+Based on the tutorial in the DocsifyJS docs - [Compatible with Vue](https://docsify.js.org/#/vue).
 
 See also the [Vue.js homepage](https://vuejs.org/).
 
 
 ## Back to main tutorial
 
-Done looking at Vue? Go back to the <a href="/#/">DocsifyJS Tutorial</a>.
+Done looking at Vue? Go back to the <a href="/">DocsifyJS Tutorial</a>.
+
+
+## Note
+
+This app's `index.html` file exists to make this work as a standalone example, but really you would only have a single `index.html` file across the whole site.
+
+Also things with colors and menu can get weird switching between sites.