Issue #19407: fix link

ncoghlan · ncoghlan · commit e300797ca4e9 · 2014-03-13T22:33:33.000+10:00
diff --git a/Doc/distributing/index.rst b/Doc/distributing/index.rst
@@ -39,7 +39,7 @@ Key terms
   developers and documentation authors responsible for the maintenance and
   evolution of the standard packaging tools and the associated metadata and
   file format standards. They maintain a variety of tools, documentation
-  and issue trackers on both `GitHub <https://github.com/pypa>` and
+  and issue trackers on both `GitHub <https://github.com/pypa>`__ and
   `BitBucket <https://bitbucket.org/pypa/>`__.
 * ``distutils`` is the original build and distribution system first added to
   the Python standard library in 1998. While direct use of ``distutils`` is
diff --git a/Doc/installing/index.rst b/Doc/installing/index.rst
@@ -49,7 +49,7 @@ Key terms
   developers and documentation authors responsible for the maintenance and
   evolution of the standard packaging tools and the associated metadata and
   file format standards. They maintain a variety of tools, documentation
-  and issue trackers on both `GitHub <https://github.com/pypa>` and
+  and issue trackers on both `GitHub <https://github.com/pypa>`__ and
   `BitBucket <https://bitbucket.org/pypa/>`__.
 * ``distutils`` is the original build and distribution system first added to
   the Python standard library in 1998. While direct use of ``distutils`` is
