Replaced syslog-ng OSE with variable.

Signed-off-by: Zsolt Gyulai (zgyulai) <zsolt.gyulai@quest.com>

Author: zsoltgyulai94

doc/_admin-guide/110_Template_and_rewrite/000_Customize_message_format/007_Template_functions_of_syslog-ng.md

@@ -355,7 +355,7 @@ option is not mandatory.
 
 |*Syntax:*|$(getent)|
 
-Available in syslog-ng OSE 3.13 and later.
+Available in {{ site.product.short_name }} 3.13 and later.
 
 *Description:* You can use the `getent` template function to look up entries from the Name Service Switch libraries, such as, passwd, services, or protocols.