fix the composer installation instruction

stof · stof · commit c668b63ed136 · 2015-04-02T18:35:31.000+02:00
diff --git a/html/index.html b/html/index.html
@@ -762,7 +762,7 @@ <h3 class="panel-title">PHP</h3>
 
             <div class="panel-footer">
               <div>
-                <code>composer namshi/jose</code>
+                <code>composer require namshi/jose</code>
               </div>
 
             </div>
