diff --git a/Demo/threads/README b/Demo/threads/README
index 9c6d30a..01566fc 100644
--- a/Demo/threads/README
+++ b/Demo/threads/README
@@ -1,5 +1,8 @@
 This directory contains some demonstrations of the thread module.
-They are mostly "proof of concept" type applications:
+This module is only (optionally) available for the SGI, for now.
 
+These are mostly "proof of concept" type applications:
+
+find.py		Parallelized "find(1)".
 telnet.py	Version of ../sockets/telnet.py using threads.
 wpi.py		Version of ../scripts/pi.py using threads and stdwin.
diff --git a/Demo/threads/telnet.py b/Demo/threads/telnet.py
index e5101eb..5d4ae76 100644
--- a/Demo/threads/telnet.py
+++ b/Demo/threads/telnet.py
@@ -28,6 +28,9 @@
 WILL = chr(251)
 
 def main():
+	if len(sys.argv) != 2:
+		sys.stderr.write('usage: telnet hostname\n')
+		sys.exit(2)
 	host = sys.argv[1]
 	try:
 		hostaddr = gethostbyname(host)
@@ -74,7 +77,7 @@
 		for c in data:
 			if opt:
 				print ord(c)
-				print '(replying: ' + `opt+c` + ')'
+##				print '(replying: ' + `opt+c` + ')'
 				s.send(opt + c)
 				opt = ''
 			elif iac: