Update README.rst

- All links fixed

README.rst

@@ -1,52 +1,54 @@
-
 ReadMe
-###########################
+######
 
-The docs.openedx.org repository contains source files for the `Open edX Documentation`_ site. This repository is
-managed by the Open edX team.
+This repository contains source files for the `Open edX Documentation`_ site. This repository is managed by the Open edX team.
 
 The `Open edX Documentation`_ site contains complete documentation for:
 
 * Educators
-
 * Course Operators
-
 * Site Operators
-
 * Developers
 
-Documentation for other components of the Open edX ecosystem is found in each component's repository.  When known, links to other documentation are provided in the `Open edX Documentation`_.
-
+Documentation for other components of the Open edX ecosystem is found in each component's repository.
+When known, links to other documentation are provided in the `Open edX Documentation`_.
 
 Submit Documentation Issues
-******************************
-
-We welcome input from the community on Open edX documentation.  You can
-submit documentation issues in the `GitHub repository`_.
+***************************
 
+We welcome input from the community on Open edX documentation.  You can submit documentation issues in the `GitHub repository`_.
 
 Contribute to Open edX Documentation
-**************************************
+************************************
 
 You, the user community, can help update and revise Open edX documentation.
 
 Open edX documentation is published from `RST`_ source files using `Sphinx`_.
 
-To suggest a revision, create a new branch, make changes, and submit
-a pull request: this is known as the `GitHub
-Flow`_.
+To suggest a revision, create a new branch, make changes, and submit a pull request: this is known as the `GitHub Flow`_.
 
 Propose Changes While Viewing Documentation
-**********************************************
-
-While viewing documentation, you can easily propose a change by selecting **suggest edit** from the menu under the GitHub icon. The page you are viewing then opens in GitHub, in edit mode. When you save your edits, you create a new branch and pull request, to have your changes reviewed by the Open edX team.
+*******************************************
 
+While viewing documentation, you can easily propose a change by selecting **suggest edit** from the menu under the GitHub icon.
+The page you are viewing then opens in GitHub, in edit mode. When you save your edits, create a new branch, commit your changes,
+and create a new Pull Request, to have your changes reviewed by the Open edX team.
 
 Build and Test Documentation
-******************************
+****************************
+
+To build documentation, inside the root folder, run:
 
-To build documentation, from the root folder in the command line, enter ``make html``.
+.. code-block:: bash
+
+    make html
 
 Sphinx should build the HTML files locally.
 
 You should ensure the documentation builds with no errors or warnings when submitting a pull request.
+
+.. _Open edX Documentation: https://docs.openedx.org/
+.. _GitHub repository: https://github.com/openedx/docs.openedx.org
+.. _RST: https://en.wikipedia.org/wiki/ReStructuredText
+.. _Sphinx: https://www.sphinx-doc.org/
+.. _GitHub Flow: https://docs.github.com/get-started/quickstart/github-flow