Add links to submitting docstring changes to GitHub

Author: kynan

pandas/guide/source/pandas_docstring.rst

@@ -5,7 +5,8 @@ pandas docstring guide
 ======================
 
 .. note::
-  **Windows users:** `Video tutorial: Pandas docstring guide`_ by Frank Akogun
+  `Video tutorial: Pandas docstring guide
+  <https://www.youtube.com/watch?v=EOA0lUeW4NI>`_ by Frank Akogun.
 
 About docstrings and standards
 ------------------------------

pandas/guide/source/pandas_pr.rst

@@ -4,6 +4,10 @@
 Submitting your changes
 =======================
 
+.. note::
+  `Video tutorial: Submitting docstring changes to GitHub
+  <https://www.youtube.com/watch?v=7eC3MjDIxNM>`_ by Frank Akogun.
+
 Once you finished the changes to your assigned docstring, you can follow the
 instructions in this document in order to get your changes merged into pandas,
 and released in the next version.