diff --git a/modules/drouting/doc/drouting_admin.xml b/modules/drouting/doc/drouting_admin.xml
index bebf17ac671..ffdd4d39940 100644
--- a/modules/drouting/doc/drouting_admin.xml
+++ b/modules/drouting/doc/drouting_admin.xml
@@ -262,15 +262,18 @@
A date-time expression that defines the time recurrence to be matched for
current rule. Time recurrences are based closely on the recurring time
- intervals from the Internet Calendaring and Scheduling
- Core Object Specification (calendar COS), RFC 2445. The set of attributes
- used in routing rule specification is a subset of time recurrence attributes.
+ intervals from the Internet Calendaring and Scheduling Core Object
+ Specification (calendar COS), RFC 2445. The set of attributes used in
+ a routing rule specification is a subset of time recurrence attributes.
- The value stored in database has the format of:
+ The value stored in database has the basic format of:
|||||||||
+ |||||||||||
]]>
+ , identical to the input of the check_time_rec()
+ function of the cfgutils module, including the optional
+ use of logical operators linking multiple such strings into a larger expression.
When an attribute is not specified, the corresponding place must be left