Recommend pip for installation from repo

Author: oschwald

README.rst

@@ -14,18 +14,18 @@ subnets (IPv4 or IPv6).
 Installation
 ------------
 
-To install maxminddb, type:
+To install ``maxminddb```, type:
 
 .. code-block:: bash
 
     $ pip install maxminddb
 
-If you are not able to use pip, you may also use easy_install from the
+If you are not able to install from PyPI, you may also use ``pip`` from the
 source directory:
 
 .. code-block:: bash
 
-    $ easy_install .
+    $ python -m pip install .
 
 The installer will attempt to build the C extension. If this fails, the
 module will fall-back to the pure Python implementation.