Minor link fix in the README...

Signed-off-by: Mike Raineri <michael.raineri@dell.com>

Author: mraineri

README.rst

@@ -17,7 +17,7 @@ Description
 
 As of version 3.0.0, Python2 is no longer supported.  If Python2 is required, ``redfish<3.0.0`` can be specified in a requirements file.
 
-REST (Representational State Transfer) is a web based software architectural style consisting of a set of constraints that focuses on a system's resources.  The Redfish library performs GET, POST, PUT, PATCH and DELETE HTTP operations on resources within a Redfish service.  Go to the `wiki <../../wiki>`_ for more details.
+REST (Representational State Transfer) is a web based software architectural style consisting of a set of constraints that focuses on a system's resources.  The Redfish library performs GET, POST, PUT, PATCH and DELETE HTTP operations on resources within a Redfish service.  Go to the `wiki <https://github.com/DMTF/python-redfish-library/wiki>`_ for more details.
 
 Installing
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