Fix minor typo in README.rst.

README.rst

@@ -7,7 +7,7 @@ pex is a library for generating .pex (Python EXecutable) files which are
 executable Python environments in the spirit of `virtualenvs <http://virtualenv.org>`_.
 pex is an expansion upon the ideas outlined in
 `PEP 441 <http://legacy.python.org/dev/peps/pep-0441/>`_
-and make the deployment of Python applications as simple as ``cp``.  pex files may even
+and makes the deployment of Python applications as simple as ``cp``.  pex files may even
 include multiple platform-specific Python distributions, meaning that a single pex file
 can be portable across Linux and OS X.
 
@@ -54,7 +54,7 @@ Launch an interpreter with ``requests`` and ``flask`` in the environment:
 Run webserver.py in an environment containing ``flask`` and the setup.py package in
 the current working directory:
 
-.. code-block:
+.. code-block::
 
     $ pex -r flask -s . -- webserver.py