diff --git a/Documentation/DocBook/media/dvb/dvbproperty.xml b/Documentation/DocBook/media/dvb/dvbproperty.xml
index 6ac803959a479438e3807513b3ad6f8a2c3dfd1a..b812e3140fcb2a63d84a8e7c628680052e7fa831 100644
--- a/Documentation/DocBook/media/dvb/dvbproperty.xml
+++ b/Documentation/DocBook/media/dvb/dvbproperty.xml
@@ -649,6 +649,18 @@ typedef enum fe_hierarchy {
many data types via a single multiplex. The API will soon support this
at which point this section will be expanded.
+
+ DTV_ENUM_DELSYS
+ A Multi standard frontend needs to advertise the delivery systems provided.
+ Applications need to enumerate the provided delivery systems, before using
+ any other operation with the frontend. Prior to it's introduction,
+ FE_GET_INFO was used to determine a frontend type. A frontend which
+ provides more than a single delivery system, FE_GET_INFO doesn't help much.
+ Applications which intends to use a multistandard frontend must enumerate
+ the delivery systems associated with it, rather than trying to use
+ FE_GET_INFO. In the case of a legacy frontend, the result is just the same
+ as with FE_GET_INFO, but in a more structured format
+
Properties used on terrestrial delivery systems