Linked "logrotate" to its official website

Author: javiereguiluz

cookbook/logging/monolog.rst

@@ -233,7 +233,7 @@ only for a specific handler.
 
     Beware that log file sizes can grow very rapidly, leading to disk space exhaustion.
     This is specially true in the ``dev`` environment, where a simple request can
-    generate hundreds of log lines. Consider using tools like the ``logrotate``
+    generate hundreds of log lines. Consider using tools like the `logrotate`_
     Linux command to rotate log files before they become a problem.
 
 A processor is simply a callable receiving the record as its first argument.
@@ -479,4 +479,5 @@ the ``monolog.processor`` tag:
             ->addArgument(new Reference('session'))
             ->addTag('monolog.processor', array('method' => 'processRecord', 'channel' => 'main'));
 
-.. _Monolog: https://github.com/Seldaek/monolog
+.. _`Monolog`: https://github.com/Seldaek/monolog
+.. _`logrotate`: https://fedorahosted.org/logrotate/