-Options in the Track Point Edit dialog include: change position, go to next, go to previous, delete, insert (halfway to next trackpoint) and splitting the track.
+Editing options in the Trackpoint Edit dialog include:
+<itemizedlist>
+<listitem>Edit the trackpoint name</listitem>
+<listitem>Changing raw lat/long position and altitude</listitem>
+<listitem>Forward (go to the next trackpoint)</listitem>
+<listitem>Back (go to the previous trackpoint)</listitem>
+<listitem>Delete</listitem>
+<listitem>Insert. Inserts a point halfway to next trackpoint</listitem>
+<listitem>Split. <xref linkend="trkpt_split"/></listitem>
+</itemizedlist>
+</para>
+<para>
+Several fields are read only for reference purposes, values are shown if the trackpoint has such information:
+<itemizedlist>
+<listitem>Time.</listitem>
+<listitem>Speed and course.</listitem>
+<listitem>'Between' values: Speed, Time Difference and Distance Difference. When moving between trackpoints (via the Back and Forward buttons) these values are calculated.</listitem>
+<listitem>GPS precision factors.</listitem>
+</itemizedlist>
+</para>
+<para>
+<figure>
+<title>Trackpoint Edit Dialog: Example</title>
+<screenshot>
+ <graphic format="PNG" fileref="figures/Trackpoint_edit_dialog.png"/>
+</screenshot>
+</figure>
+One must have been going downhill here to get a reasonable speed by bicycle!