tweaked docs (closes #551)

doc/providers/monolog.rst

@@ -5,8 +5,10 @@ The *MonologServiceProvider* provides a default logging mechanism through
 Jordi Boggiano's `Monolog <https://github.com/Seldaek/monolog>`_ library.
 
 It will log requests and errors and allow you to add debug logging to your
-application, so you don't have to use ``var_dump`` so much anymore. You can
-use the grown-up version called ``tail -f``.
+application, so you don't have to use ``var_dump`` so much anymore. It will
+log requests and errors and allow you to add logging to your application. This
+allows you to debug and monitor your application behaviour, even in
+production.
 
 Parameters
 ----------