Revise @erral's updates for grammar and additional link

backend_addon/{{ cookiecutter.__folder_name }}/README.md

@@ -32,21 +32,22 @@ plonecli add -b .mrbob.ini content_type
 
 The command passes the `.mrbob.ini` configuration file to `plonecli` to set some configuration variables which are needed to properly run the subtemplates.
 
-
-For instance, you could add a behavior to your package running this command:
+For example, you can add a behavior to your package with the following command.
 
 ```shell
 plonecli add -b .mrbob.ini behavior
 ```
 
-Or a controlpanel running this other command:
+You can add a control panel with the following command.
 
 ```shell
 plonecli add -b .mrbob.ini controlpanel
 ```
 
-You can check the list of available subtemplates in the [bobtemplates.plone README file](https://github.com/plone/bobtemplates.plone/?tab=readme-ov-file#provided-subtemplates)
-
+```{seealso}
+You can check the list of available subtemplates in the [`bobtemplates.plone` `README.md` file](https://github.com/plone/bobtemplates.plone/?tab=readme-ov-file#provided-subtemplates).
+See also the documentation of [Mockup and Patternslib](https://6.docs.plone.org/classic-ui/mockup.html) for how to build the UI toolkit for Classic UI.
+```
 
 
 ## Contribute