diff --git a/admin_manual/configuration/configuration_logging.rst b/admin_manual/configuration/configuration_logging.rst
index d95102704..1d75808a0 100644
--- a/admin_manual/configuration/configuration_logging.rst
+++ b/admin_manual/configuration/configuration_logging.rst
@@ -31,9 +31,9 @@ file named **owncloud.log** will be created in the directory which has
 been configured by the **datadirectory** parameter.
 
 The desired date format can optionally be defined using the **logdateformat**.
-By default the PHP date parameter "*c*" is used and therefore the date/time
-is written in the format "*2013-01-10T15:20:25+02:00*". By using the date
-format in the example the date/time format will be written in the format
+By default the `PHP date function`_ parameter "*c*" is used and therefore the
+date/time is written in the format "*2013-01-10T15:20:25+02:00*". By using the
+date format in the example the date/time format will be written in the format
 "*January 10, 2013 15:20:25*".
 
 .. code-block:: php
@@ -57,3 +57,6 @@ All log information will be send to the default syslog deamon of a system.
     "logfile" => "",
     "loglevel" => "3",
 
+
+.. _PHP date function: http://www.php.net/manual/en/function.date.php
+