rename geocoder link

Author: igorw

source/middlewares.html

@@ -23,7 +23,7 @@ <h3>GeoIp</h3>
             <p class="by">
                 by geocoder
             </p>
-            <p>Adds geolocation results to the request for subsequent middlewares. Can use any geocoding provider from <a href="http://geocoder-php.org">http://geocoder-php.org</a>.</p>
+            <p>Adds geolocation results to the request for subsequent middlewares. Can use any geocoding provider from <a href="http://geocoder-php.org">Geocoder</a>.</p>
             <div class="btn-group">
                 <a class="btn" href="https://github.com/geocoder-php/StackGeoIp"><i class="icon icon-github"></i> GitHub</a>
             </div>