Use lowercase characters in example URL (#186)

Signed-off-by: Diego Viola <diego.viola@gmail.com>

index.html

@@ -22,7 +22,7 @@ <h3>Example file</h3>
     <p>Below is an example <code>.editorconfig</code> file setting end-of-line and indentation styles for Python and JavaScript files.</p>
     <div class="code-container">
 {% highlight ini %}
-# EditorConfig is awesome: https://EditorConfig.org
+# EditorConfig is awesome: https://editorconfig.org
 
 # top-most EditorConfig file
 root = true