diff --git a/Documentation/DocBook/media/dvb/dvbproperty.xml b/Documentation/DocBook/media/dvb/dvbproperty.xml
index 0fa4ccfd406d..d9861b54f8c8 100644
--- a/Documentation/DocBook/media/dvb/dvbproperty.xml
+++ b/Documentation/DocBook/media/dvb/dvbproperty.xml
@@ -137,25 +137,78 @@ get/set up to 64 properties. The actual meaning of each property is described on
DTV_MODULATION
-Specifies the frontend modulation type for cable and satellite types. The modulation can be one of the types bellow:
-
- typedef enum fe_modulation {
- QPSK,
- QAM_16,
- QAM_32,
- QAM_64,
- QAM_128,
- QAM_256,
- QAM_AUTO,
- VSB_8,
- VSB_16,
- PSK_8,
- APSK_16,
- APSK_32,
- DQPSK,
- QAM_4_NR,
- } fe_modulation_t;
-
+Specifies the frontend modulation type for delivery systems that supports
+ more than one modulation type. The modulation can be one of the types
+ defined by &fe-modulation;.
+
+
+
+Modulation property
+
+Most of the digital TV standards currently offers more than one possible
+ modulation (sometimes called as "constellation" on some standards). This
+ enum contains the values used by the Kernel. Please notice that not all
+ modulations are supported by a given standard.
+
+