Change comments about SGI subdirectory

diff --git a/Demo/README b/Demo/README
index b08055e3786929b040baa3ad6aec9c9959c80d49..e80bfbfb50798323a92faa71f370fb3ecd291081 100644 (file)
--- a/Demo/README
+++ b/Demo/README
@@ -8,9 +8,10 @@ scripts                Some useful Python scripts that I put in my bin
 sockets                Examples for the new built-in module 'socket'.
 
 sgi            Demos that only run on Silicon Graphics machines.
-               Require the built-in modules 'audio' and/or 'gl'
-               and/or 'stdwin'.
-               (This is split in corresponding subdirectories.)
+               These require at least one of the optional built-in
+               modules that only make sense for the SGI, such as
+               the modules 'gl' and 'al'.  Split in subdirectories
+               per subject.
 
 stdwin         Demos that use the STDWIN library.  Require the 'stdwin'
                built-in module.