formatting + license note

README.md

@@ -1,9 +1,20 @@
 # Particl Academy
 
-https://academy.particl.io/
+Browse the Particl Academy on https://academy.particl.io/
 
-If you are an occasional contributor and you only want to add one or two lines, or fix some typos, hit the `Edit` button under `Github` in the bottom left corner where it says `Read the Docs` on the [Academy website](https://academy.particl.io), it will serve you well without bloat.
+Particl Academy guides you to become an expert for e-commerce with the [Particl Marketplace](https://particl.io/marketplace). It's a reference book in straightforward language.
+
+### Contribution
+
+If you are an occasional contributor and you only want to add one or two lines, or fix some typos, hit the `Edit on Github` button in the top right corner on each [Particl Academy](https://academy.particl.io) page, it will serve you well without bloat.
 
 If you want to contribute to the Academy as a power contributor follow this [tutorial](https://academy.particl.io/en/latest/docs/install_and_contrib.html). It will save you from a lot of headaches and lost time equally. You will learn a bit about Git, Github, repositories, and how to render a local HTML copy of the Academy and how to push your edits into the live version.  
 
+### License
+
+Particl Academy is released under the terms of the CC-BY-SA-4.0 License. Have a look at [License](license.txt) for more
+information.
+
+### Note
+
 The Particl Academy documentation is based on Read the Docs. Content is written in RestfulText.