diff --git a/TODO b/TODO
index fe19de2..b6204e9 100644
--- a/TODO
+++ b/TODO
@@ -1,5 +1,7 @@
 - Make win32.c compile under Cygwin. It's just one function (fullpath()) that
   needs to be replaced.
+- Hmm...we can determine the actual CD-ROM drives under Win32, but how do you
+  decide that there's no disc in the drive?
 
 // end of TODO ...