diff --git a/docs/libcurl/opts/CURLOPT_NOPROXY.3 b/docs/libcurl/opts/CURLOPT_NOPROXY.3
index 61500fc05..8ca0580a2 100644
--- a/docs/libcurl/opts/CURLOPT_NOPROXY.3
+++ b/docs/libcurl/opts/CURLOPT_NOPROXY.3
@@ -5,7 +5,7 @@
 .\" *                            | (__| |_| |  _ <| |___
 .\" *                             \___|\___/|_| \_\_____|
 .\" *
-.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+.\" * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
 .\" *
 .\" * This software is licensed as described in the file COPYING, which
 .\" * you should have received as part of this distribution. The terms
@@ -44,6 +44,11 @@ use for both "www.example.com" as well as for "foo.example.com".
 Setting the noproxy string to "" (an empty string) will explicitly enable the
 proxy for all host names, even if there is an environment variable set for it.
 
+Enter IPv6 numerical addresses in the list of host names without enclosing
+brackets:
+
+ "example.com,::1,localhost"
+
 The application does not have to keep the string around after setting this
 option.
 .SH "Environment variables"