manual: Correct playlist subsection in the wps context menu section.

The "Save Current Playlist" isnt part of the playlist viewer settings. While
at this section also add a reference to the extra playlist chapter.

Change-Id: I68e494430dc00c6172859b0b8d9edbe5b0116741
diff --git a/manual/rockbox_interface/wps.tex b/manual/rockbox_interface/wps.tex
index d35932e..7e02f3d 100644
--- a/manual/rockbox_interface/wps.tex
+++ b/manual/rockbox_interface/wps.tex
@@ -217,12 +217,13 @@
 
 \subsubsection{Playlist}
 The \setting{Playlist} submenu allows you to view, save, search and
-reshuffle the current playlist. To change settings for the
+reshuffle the current playlist. These and other operations are detailed in
+\reference{ref:working_with_playlists}. To change settings for the
 \setting{Playlist Viewer} press \ActionStdContext{} while viewing the current
 playlist to bring up the \setting{Playlist Viewer Menu}. In this menu, you
 can find the \setting{Playlist Viewer Settings}.
 
-\subsubsection{Playlist Viewer Settings}
+\paragraph{Playlist Viewer Settings}
   \begin{description}
     \item[Show Icons.] This toggles display of the icon for the currently 
     selected playlist entry and the icon for moving a playlist entry
@@ -230,8 +231,6 @@
        the playlist
     \item[Track Display.] This toggles between filename only and full path
        for playlist entries
-    \item[Save Current Playlist.] Allows the current playlist to be saved as
-       a \fname{.m3u8} playlist file
   \end{description}