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--- a/doc/sc2mpd.txt
+++ b/doc/sc2mpd.txt
@@ -2,6 +2,9 @@
 
 The *upmdcli* UPnP front-end to MPD implements support for Linn Songcast with
 help from the *sc2mpd* auxiliary process.
+
+*_This only works with 16 bits sound for now. Don't try it with
+anything else, there is a risk of strange noises !_*
 
 == What is Songcast