minor #4459 Fix up the final sentence to be a bit cleaner. (micheal)

This PR was submitted for the 2.5 branch but it was merged into the 2.3 branch instead (closes #4459).

Discussion
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Fix up the final sentence to be a bit cleaner.

Commits
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ef62911 Fix up the final sentence to be a bit cleaner.

cookbook/security/target_path.rst

@@ -67,4 +67,4 @@ Next, create your own ``ExceptionListener``::
         }
     }
 
-Add as much or few logic here as required for your scenario!
+Add as much or as little logic here as required for your scenario!