Fix typo

Author: stsewd

docs/faq.rst

@@ -23,7 +23,7 @@ as it `breaks the internet <http://www.w3.org/Provider/Style/URI.html>`_.
 Help, my build passed but my documentation page is 404 Not Found!
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-This often happens becuase you don't have an `index.html` file being generated.
+This often happens because you don't have an `index.html` file being generated.
 Make sure you have one of the following files:
 
     * `index.rst`