clean up the README.md

README.md

@@ -1,21 +1,25 @@
 # Polaris Documentation
 
- This **Polaris proposal tool documentation** uses the mkdocs material theme
+ This **Polaris proposal tool documentation** uses the mkdocs material theme which in turn requires python to be installed.
 
 You can find detailed theme instructions in the [mkdodcs material site](https://squidfunk.github.io/mkdocs-material/).
 
+```shell
+pip install mkdocs-material
+```
+
 ## plantuml
 
+Various diagrams are created using plantuml - the markdown plugin for that can be installed with.
+
 ```shell
 pip install plantuml-markdown 
 ```
 
-https://github.com/neurobin/mdx_include - proper extension structure -> https://github.com/mikitex70/plantuml-markdown need that doing... https://python-markdown.github.io/extensions/api/
-
 ## Running the website locally
 
 Building and running the site locally requires python with the `mkdocs-material`  package installed.
-You can find out more about how to install mkdocs material for your environment in our
+You can find out more about how to install mkdocs material for your environment in the
 [Getting started](https://squidfunk.github.io/mkdocs-material/getting-started/) guide.
 
 Once you've made your working copy of the site repo, from the repo root folder, run: