Updated the URL of the icon example

Author: javiereguiluz

cookbook/profiler/data_collector.rst

@@ -162,7 +162,7 @@ block and set the value of two variables called ``icon`` and ``text``:
 
     .. code-block:: jinja
 
-        {{ include('@WebProfiler/Icon/my_collector.svg') }}
+        {{ include('@App/data_collector/icon.svg') }}
 
     You are encouraged to use the latter technique for your own toolbar panels.