Add missing info about kernel.request event.

Author: Lumbendil

components/http_kernel/introduction.rst

@@ -167,6 +167,11 @@ return a ``Response`` directly, or to add information to the ``Request``
 (e.g. setting the locale or setting some other information on the ``Request``
 attributes).
 
+.. note::
+
+    When setting a response for the ``kernel.view`` event, the propagation
+    is stopped, so the lower priority listeners on that event don't get called.
+
 .. sidebar:: ``kernel.request`` in the Symfony Framework
 
     The most important listener to ``kernel.request`` in the Symfony Framework

cookbook/service_container/event_listener.rst

@@ -59,9 +59,9 @@ event is just one of the core kernel events::
 
 .. note::
 
-    When setting a response for the ``kernel.view`` or ``kernel.exception``
-    events, the propagation is stopped, so the lower priority listeners on
-    that event don't get called.
+    When setting a response for the ``kernel.request``, ``kernel.view`` and
+    ``kernel.exception`` events, the propagation is stopped, so the lower
+    priority listeners on that event don't get called.
 
 Now that the class is created, you just need to register it as a service and
 notify Symfony that it is a "listener" on the ``kernel.exception`` event by