diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.md
similarity index 69%
rename from CONTRIBUTING.rst
rename to CONTRIBUTING.md
index fa6cda0..a15c350 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.md
@@ -1,12 +1,13 @@
-Want to contribute? Great! First, read this page (including the small print at the end).
+# How to Contribute
 
-Before you contribute
----------------------
+Want to contribute? Great! First, read this page (including the small print at
+the end).
 
-Before we can use your code, you must sign the `Google Individual Contributor
-License Agreement
-<https://developers.google.com/open-source/cla/individual?csw=1>`_ (CLA), which
-you can do online. The CLA is necessary mainly because you own the
+## Before you contribute
+
+Before we can use your code, you must sign the [Google Individual Contributor
+License Agreement](https://developers.google.com/open-source/cla/individual?csw=1)
+(CLA), which you can do online. The CLA is necessary mainly because you own the
 copyright to your changes, even after your contribution becomes part of our
 codebase, so we need your permission to use and distribute your code. We also
 need to be sure of various other things—for instance that you'll tell us if you
@@ -18,26 +19,23 @@
 possibly guide you. Coordinating up front makes it much easier to avoid
 frustration later on.
 
-Code reviews
-------------
+## Code reviews
 
 All submissions, including submissions by project members, require review. We
 use Github pull requests for this purpose.
 
-YAPF coding style
------------------
+## YAPF coding style
 
-YAPF follows the `Google Python Style Guide
-<https://google.github.io/styleguide/pyguide.html>`_ with two exceptions:
+YAPF follows the [Google Python Style Guide](https://google.github.io/styleguide/pyguide.html)
+with two exceptions:
 
 - 2 spaces for indentation rather than 4.
-- CamelCase for function and method names rather than snake_case.
+- CamelCase for function and method names rather than `snake_case`.
 
 The rationale for this is that YAPF was initially developed at Google where
 these two exceptions are still part of the internal Python style guide.
 
-Small print
------------
+## Small print
 
 Contributions made by corporations are covered by a different agreement than
 the one above, the Software Grant and Corporate Contributor License Agreement.
diff --git a/MANIFEST.in b/MANIFEST.in
index 5c70a55..9a8d602 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,4 +1,4 @@
-include HACKING.rst LICENSE AUTHORS CHANGELOG CONTRIBUTING.rst CONTRIBUTORS
+include HACKING.rst LICENSE AUTHORS CHANGELOG CONTRIBUTING.md CONTRIBUTORS
 include .coveragerc .editorconfig .flake8 plugins/README.rst
 include plugins/vim/autoload/yapf.vim plugins/vim/plugin/yapf.vim pylintrc
 include .style.yapf tox.ini .travis.yml .vimrc