[mythtv] [patch] setup documentation addition

[Daniel Thor Kristjansson]

This should only be applied if the setup-mpeg-pchdtv-v6.patch is 
applied. This tells users that they can delete a card using the
'D' key, which is only true if that patch is applied.

-- Daniel
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Index: docs/mythtv-HOWTO.sgml
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RCS file: /var/lib/mythcvs/mythtv/docs/mythtv-HOWTO.sgml,v
retrieving revision 1.252
diff -u -r1.252 mythtv-HOWTO.sgml
--- docs/mythtv-HOWTO.sgml	21 Jan 2005 16:50:34 -0000	1.252
+++ docs/mythtv-HOWTO.sgml	1 Feb 2005 14:11:33 -0000
@@ -2628,6 +2628,11 @@
 complete.  Pressing RETURN will take you back to the Capture Cards screen;
 if you have additional capture cards in this machine, press the space bar
 when the highlight is on the (New Capture Card) row to define another card. 
+
+If you have made a mistake, you can delete a card by highlighting it and 
+pressing the 'D' key, or you can highlight it and press the RETURN or 'E'
+key to edit it.
+
 Once you have no additional cards to setup, press ESC.
 
 <sect2>Video Sources <label id="VideoSources">