Fix typo in readme (theskumar#38)

danielquinn · theskumar · commit 22cefa311c04 · 2016-11-24T20:21:20.000+05:30
s/is not support/is not supported/
diff --git a/README.rst b/README.rst
@@ -85,7 +85,7 @@ ignored.
 ``.env`` can interpolate variables using POSIX variable expansion, variables
 are replaced from the environment first or from other values in the ``.env``
 file if the variable is not present in the environment. (``Note``: Default Value
-Expansion is not support as of yet, see `#30 <https://github.com/theskumar/python-dotenv/pull/30#issuecomment-244036604>`__.)
+Expansion is not supported as of yet, see `#30 <https://github.com/theskumar/python-dotenv/pull/30#issuecomment-244036604>`__.)
 
 .. code:: shell
 
