cgi/ip: Fix header comment.

diff --git a/cgi/ip b/cgi/ip
index e6fd488..997bcbc 100755 (executable)
--- a/cgi/ip
+++ b/cgi/ip
@@ -1,6 +1,6 @@
 #! /usr/bin/perl
 ###
-### URL shortening userv interface for Odin
+### IP-address reporting webservice for Odin
 ###
 ### (c) 2017 Mark Wooding
 ###