[media] v4l: DocBook: fix version number typo

Signed-off-by: Nicolas Thery <nicolas.thery@st.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/Documentation/DocBook/media/v4l/compat.xml b/Documentation/DocBook/media/v4l/compat.xml
index 4559a6f..c9c7d1ca8 100644
--- a/Documentation/DocBook/media/v4l/compat.xml
+++ b/Documentation/DocBook/media/v4l/compat.xml
@@ -2460,7 +2460,7 @@
     </section>
 
     <section>
-      <title>V4L2 in Linux 3.5</title>
+      <title>V4L2 in Linux 3.6</title>
       <orderedlist>
 	<listitem>
 	  <para>Replaced <structfield>input</structfield> in