Update README.md

README.md

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 ## Install:
 
-ewstools requires Python version 3.7 or later to be installed on your system. You can than install ewstools by entering
+*ewstools* requires Python version 3.7 or later to be installed on your system. Then *ewstools* can be installed using pip, by entering the following into your command line.
 ```python
 pip install ewstools
 ```
-into your command line.
 
 ## Demos
 
 iPython notebooks demonstrating how to use the software are available [here](examples/).
 
 ## Documentation
 
-Full documentation is available [here](https://ewstools.readthedocs.io/en/latest/).
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+Full documentation for *ewstools* is available on [ReadTheDocs](https://ewstools.readthedocs.io/en/latest/).
 
+## Contribution
 
+If you are interested in being a contributer to *ewstools* please post your proposal on the [issue tracker](https://github.com/ThomasMBury/ewstools/issues)