--- a/ThemeCfg.wiki	Wed Feb 14 00:19:58 2018 +0000
+++ b/ThemeCfg.wiki	Wed Feb 14 12:06:10 2018 +0000
@@ -103,6 +103,8 @@
 == `music` ==
 Name of the music file to be played in the theme before Sudden Death, e.g. `Nature.ogg`. You find music tracks in `Data/Music` of the Hedgewars installation directory. The file name is case-sensitive!
 
+If you choose a custom music (i.e. a music which does not come with Hedgewars by default, you should also set `fallback-music`.
+
 <code>Values: filename</code>
 
 No music is played by default.
@@ -110,6 +112,8 @@
 == `sd-music` ==
 Name of the music file to be played in the theme while in Sudden Death, e.g. `hell.ogg`. If `music` was not specified, the Sudden Death has no default music as well. You find music tracks in `Data/Music` of the Hedgewars installation directory. The file name is case-sensitive!
 
+If you choose a custom music, you should also set `fallback-sd-music`.
+
 <code>Values: filename</code>
 
 Default: `sdmusic.ogg` (only if `music` was specified, no music otherwise)