diff --git a/Demo/sgi/video/README b/Demo/sgi/video/README
index 6a9f894..c75ebce 100644
--- a/Demo/sgi/video/README
+++ b/Demo/sgi/video/README
@@ -80,7 +80,13 @@
 
 Vrecb.py	like Vrec.py but uses "burst capture" -- somewhat specialized
 
-rgb2video.py	combine a sequence of rgb images into a CMIF video file
+Dsend.py	like Vsend.py but sends screen snapshots (to Vreceive.py)
+
+DisplayVideoIn.py	Like LiveVideoIn.py but reads screen snapshots
+
+rgb2video.py	combine a sequence of rgb image files into a CMIF video file
+
+video2rgb.py	split a CMIF video file into a sequence of rgb image files
 
 
 These modules and files are used by the above programs:
diff --git a/Demo/sgi/video/video2rgb.py b/Demo/sgi/video/video2rgb.py
index ab90484..07407a8 100755
--- a/Demo/sgi/video/video2rgb.py
+++ b/Demo/sgi/video/video2rgb.py
@@ -1,18 +1,18 @@
 #! /ufs/guido/bin/sgi/python
 
-# Play CMIF movie files
+# Convert CMIF movie file(s) to a sequence of rgb images
 
 
 # Help function
 
 def help():
-	print 'Usage: Vplay [options] [file] ...'
+	print 'Usage: video2rgb [options] [file] ...'
 	print
 	print 'Options:'
 	print '-q         : quiet, no informative messages'
 	print '-m         : create monochrome (greyscale) image files'
-	print '-f prefix  : create image files with names "prefix000.rgb"'
-	print 'file ...   : file(s) to play; default film.video'
+	print '-f prefix  : create image files with names "prefix0000.rgb"'
+	print 'file ...   : file(s) to convert; default film.video'
 
 
 # Imported modules