minor #5414 Rewrite sentence about fingers crossed handler action level (snoek09)

This PR was merged into the 2.3 branch.

Discussion
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Rewrite sentence about fingers crossed handler action level

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | all
| Fixed tickets | #5370

Commits
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ebebe1d 5370 simplify original sentence
2982000 5370 rewrite sentence about fingers crossed handler action level

Author: weaverryan

cookbook/logging/monolog_email.rst

@@ -117,9 +117,10 @@ it is broken down.
 
 The ``mail`` handler is a ``fingers_crossed`` handler which means that
 it is only triggered when the action level, in this case ``critical`` is reached.
-It then logs everything including messages below the action level. The
-``critical`` level is only triggered for 5xx HTTP code errors. The ``handler``
-setting means that the output is then passed onto the ``buffered`` handler.
+The ``critical`` level is only triggered for 5xx HTTP code errors. If this level
+is reached once, the ``fingers_crossed`` handler will log all messages
+regardless of their level. The ``handler`` setting means that the output
+is then passed onto the ``buffered`` handler.
 
 .. tip::