Reworded the explanation about the kernel.event_listener tag

Author: javiereguiluz

reference/dic_tags.rst

@@ -540,14 +540,16 @@ kernel.event_listener
 
 **Purpose**: To listen to different events/hooks in Symfony
 
-This tag allows you to hook your own classes into Symfony's process at different
-points.
+During the execution of a Symfony application, different events are triggered.
+This tag allows you to *hook* your own classes into any of those events.
 
-For a full example of this listener, read the :doc:`/cookbook/service_container/event_listener`
-cookbook entry.
+The cookbook contains some articles explaining how to use this tag in practice:
 
-For another practical example of a kernel listener, see the cookbook
-article: :doc:`/cookbook/request/mime_type`.
+* :doc:`/cookbook/service_container/event_listener`;
+* :doc:`/cookbook/request/mime_type`.
+
+Read the :doc:`Symfony Events Reference </reference/events>` to learn the full
+details of all the events provided by Symfony.
 
 Core Event Listener Reference
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~