1 files changed, 9 insertions, 1 deletions
diff --git a/pyserial/examples/scan.py b/pyserial/examples/scan.py
index 8be17f7..b34aba3 100644
--- a/pyserial/examples/scan.py
+++ b/pyserial/examples/scan.py
@@ -1,4 +1,12 @@
 #!/usr/bin/env python
+"""Scan for serial ports
+part of pyserial (http://pyserial.sf.net)  (C)2002 cliechti@gmx.net
+
+the scan function of this module tries to open each port number
+from 0 to 255 and it builds a list of those ports where this was
+successful.
+"""
+
 from serial import Serial
 from serial.serialutil import SerialException
 
@@ -17,4 +25,4 @@ def scan():
 if __name__=='__main__':
     print "Found ports:"
     for n,s in scan():
-        print "(%d) %s" % (n,s)
-\ No newline at end of file
+        print "(%d) %s" % (n,s)