Document cdaiff and readcd
diff --git a/Demo/sgi/cd/README b/Demo/sgi/cd/README
index c17e3cf..9b99e49 100644
--- a/Demo/sgi/cd/README
+++ b/Demo/sgi/cd/README
@@ -19,5 +19,10 @@
speaker or audio jack. Needs module al. (Doesn't
actually use module cd.)
+cdaiff.py Dump CD audio to disk in AIFF format.
+
+readcd.py Utility module to make it easy to specify play lists
+ for a CD player (used by cdaiff.py).
+
Note that to read *data* CD-ROMs you must open /dev/rdsk/dks0d4s7 or
some such special file...