1 files changed, 2 insertions, 1 deletions

diff --git a/Documentation/DocBook/media/dvb/dvbproperty.xml b/Documentation/DocBook/media/dvb/dvbproperty.xml
index a9863a3bb8f8..caec58c60032 100644
--- a/Documentation/DocBook/media/dvb/dvbproperty.xml
+++ b/Documentation/DocBook/media/dvb/dvbproperty.xml
@@ -449,13 +449,14 @@ typedef enum fe_delivery_system {
                 <para>Note: This value cannot be determined by an automatic channel search.</para>
         </section>
         <section id="isdb-hierq-layers">
-                <title>Hierarchical layers</title>
+                <title><constant>DTV-ISDBT-LAYER*</constant> parameters</title>
                 <para>ISDB-T channels can be coded hierarchically. As opposed to DVB-T in
                         ISDB-T hierarchical layers can be decoded simultaneously. For that
                         reason a ISDB-T demodulator has 3 viterbi and 3 reed-solomon-decoders.</para>
                 <para>ISDB-T has 3 hierarchical layers which each can use a part of the
                         available segments. The total number of segments over all layers has
                         to 13 in ISDB-T.</para>
+                <para>There are 3 parameter sets, for Layers A, B and C.</para>
                 <section id="DTV-ISDBT-LAYER-ENABLED">
                         <title><constant>DTV_ISDBT_LAYER_ENABLED</constant></title>
                         <para>Hierarchical reception in ISDB-T is achieved by enabling or disabling