minor #5826 "setup" is a noun or adjective, "set up" is the verb (carlos-granados)

This PR was submitted for the 2.8 branch but it was merged into the 2.3 branch instead (closes #5826).

Discussion
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"setup" is a noun or adjective, "set up" is the verb

Also, I don´t see any need for this to be capitalized

Commits
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909fab2 Fix title underlining
5c1b3d4 Update title capitalization
50c7010 Changed to title capitalization
ece53b8 "setup" is a noun or adjective, "set up" is the verb

Author: weaverryan

cookbook/event_dispatcher/before_after_filters.rst

@@ -1,8 +1,8 @@
 .. index::
    single: EventDispatcher
 
-How to Setup before and after Filters
-=====================================
+How to Set Up Before and After Filters
+======================================
 
 It is quite common in web application development to need some logic to be
 executed just before or just after your controller actions acting as filters