diff --git a/HOWTO.rst b/CONTRIBUTING.rst
similarity index 100%
rename from HOWTO.rst
rename to CONTRIBUTING.rst
diff --git a/README.rst b/README.rst
index 0e526aa4e..c13538936 100644
--- a/README.rst
+++ b/README.rst
@@ -36,8 +36,8 @@ Building
 --------
 First make sure that these things are installed
  - Python 2
- - Sphinx (e.g. sudo yum install python-sphinx)
- - Sphinx PHPDomain (e.g. easy_install -U sphinxcontrib-phpdomain)
+ - Sphinx (e.g. sudo yum install python-sphinx), on Mac: ``sudo easy_install Sphinx``
+ - Sphinx PHPDomain (e.g. ``sudo easy_install -U sphinxcontrib-phpdomain``)
 
 then enter any manual directory, then run ``make html``. The result can be found in the ``_build/html`` subdirectory.