docs: additional clarity for getting started + contributing (#1590)

* additional clarity for getting started + contributing

* Apply suggestions from code review

Updating formatting (limitation of 79 characters for linting),.

Co-authored-by: Ned Batchelder <[email protected]>

---------

Co-authored-by: Ned Batchelder <[email protected]>

Author: ProsperousHeart

README.rst

@@ -70,7 +70,8 @@ For Enterprise
 Getting Started
 ---------------
 
-See the `Quick Start section`_ of the docs.
+Looking to run ``coverage`` on your test suite? See the `Quick Start section`_
+of the docs.
 
 .. _Quick Start section: https://coverage.readthedocs.io/#quick-start
 
@@ -96,7 +97,8 @@ Community Code of Conduct`_.
 Contributing
 ------------
 
-See the `Contributing section`_ of the docs.
+Found a bug? Want to help improve the code or documentation? See the
+`Contributing section`_ of the docs.
 
 .. _Contributing section: https://coverage.readthedocs.io/en/latest/contributing.html