fixed spelling mistake from 'uisng' to 'using'.
@@ -100,7 +100,7 @@ Example 1:
Example 2:
==========
-Selenium WebDriver is often used as a basis for testing web applications. Here is a simple example uisng Python's standard `unittest <http://docs.python.org/3/library/unittest.html>`_ library:
+Selenium WebDriver is often used as a basis for testing web applications. Here is a simple example using Python's standard `unittest <http://docs.python.org/3/library/unittest.html>`_ library:
.. code-block:: python
