make activation procedure more clear

doc/source/admin/webhooks.rst

@@ -7,11 +7,12 @@ can consists out of simple HTML, JS or dynamically generated content from a pyth
 
 Plugin activation
 -----------------
-The plugins are deactivate by default. To activate a tool go to:
+Webhooks are deactivate by default.
+To activate webhooks make sure the path in your `galaxy.ini` it set and that you activate all plugins that you want to use manually by changing the config of each webhook:
 
 .. code-block:: none
 
-  config/plugins/webhooks/{TOOL_NAME}/config/{TOOL_NAME}.yml # path to config file of a plugin
+  config/plugins/webhooks/{TOOL_NAME}/config/{TOOL_NAME}.yml
 and set the parameter activate to true:
 
 .. code-block:: python