improvements

docs/dev/virtualenvs.rst

@@ -44,7 +44,7 @@ This creates a copy of Python in whichever directory you ran the command in,
 placing it in a folder named :file:`venv`.
 
 You can also use the Python interpreter of your choice (like
-:file:`/usr/bin/python2.7`).
+``python2.7``).
 
 .. code-block:: console
 

docs/starting/install/osx.rst

@@ -78,7 +78,7 @@ or Python 3:
 This will take a minute or two.
 
 
-Setuptools and Pip
+Setuptools & Pip
 ----------------
 
 Homebrew installs Setuptools and ``pip`` for you.

docs/starting/install3/osx.rst

@@ -64,15 +64,15 @@ This will take a minute or two.
 
 
 Pip
-----------------
+---
 
 Homebrew installs ``pip3`` for you.
 
 ``pip3`` is the alias for the Python 3 version of ``pip`` on systems with both
 the Homebrew'd Python 2 and 3 installed.
 
-Working with Python3
---------------------
+Working with Python 3
+---------------------
 
 At this point, you have the system Python 2.7 available, potentially the
 :ref:`Homebrew version of Python 2 <install-osx>` installed, and the Homebrew