diff --git a/TODO b/TODO
index d45c3c6..fe04930 100644
--- a/TODO
+++ b/TODO
@@ -8,7 +8,6 @@ Reported-by: Huangyu: I found dhcpd-pools didn't consider if the
 
 ### Feature requests
 
-o IPv6 support (Frank)
 o Assigned IPs count (Nelson)
 o Subnet counting class (Henryk)
 o When time stamps are part of lease situation evaluation (see
@@ -33,8 +32,7 @@ o Add lease time histogram support.
    dhcpd-pool servers.
 9  Nice http view interface on super server, much can be copied
    from http://piwik.org/
-10 IPv6 support.
-11 And some other things perhaps...
+10 And some other things perhaps...
 
 When items 1-7 are done v3 can be released. To support rewrite
 there should be a design document with nice blue print, which is
diff --git a/man/dhcpd-pools.1.in b/man/dhcpd-pools.1.in
index ce1e6ce..7c365c7 100644
--- a/man/dhcpd-pools.1.in
+++ b/man/dhcpd-pools.1.in
@@ -181,10 +181,12 @@ ISC dhcpd configuration file.
 .TP
 @DHCPDLEASE_FILE@
 ISC dhcpd lease file.
-.SH AUTHOR
-Written by Sami Kerola.
+.SH AUTHORS
+Original design by Sami Kerola.
 .br
 XML support by Dominic Germain, Sogetel inc.
+.br
+IPv6 support by Cheer Xiao.
 .PP
 The software has FreeBSD License.
 .SH "REPORTING BUGS"
diff --git a/src/other.c b/src/other.c
index 7b8ec99..226fe30 100644
--- a/src/other.c
+++ b/src/other.c
@@ -251,8 +251,9 @@ void clean_up(void)
 void __attribute__ ((__noreturn__)) print_version(void)
 {
 	fprintf(stdout, "%s\n"
-		"Written by Sami Kerola.\n"
-		"XML support by Dominic Germain, Sogetel inc.\n\n"
+		"Original design by Sami Kerola.\n"
+		"XML support by Dominic Germain, Sogetel inc.\n"
+		"IPv6 support by Cheer Xiao.\n\n"
 		"The software has FreeBSD License.\n", PACKAGE_STRING);
 	exit(EXIT_SUCCESS);
 }