applied comments

Author: OskarStark

form/events.rst

@@ -11,7 +11,8 @@ Using form events, you may modify information or fields at different steps
 of the workflow: from the population of the form to the submission of the
 data from the request.
 
-Registering an event listener is straightforward using the Form component.
+By utilizing the Symfony event system, event listeners can be registered to
+your forms.
 
 For example, if you wish to register a function to the
 ``FormEvents::PRE_SUBMIT`` event, the following code lets you add a field,