Cosmetical fixes in vty help.
diff --git a/ripngd/ripngd.c b/ripngd/ripngd.c
index e203dc4..b1edd6f 100644
--- a/ripngd/ripngd.c
+++ b/ripngd/ripngd.c
@@ -2033,7 +2033,7 @@
        show_ipv6_ripng_cmd,
        "show ipv6 ripng",
        SHOW_STR
-       IP_STR
+       IPV6_STR
        "Show RIPng routes\n")
 {
   struct route_node *rp;
@@ -2153,7 +2153,7 @@
        show_ipv6_ripng_status_cmd,
        "show ipv6 ripng status",
        SHOW_STR
-       IP_STR
+       IPV6_STR
        "Show RIPng routes\n"
        "IPv6 routing protocol process parameters and statistics\n")
 {
@@ -2603,7 +2603,7 @@
 DEFUN (show_ipv6_protocols, show_ipv6_protocols_cmd,
        "show ipv6 protocols",
        SHOW_STR
-       IP_STR
+       IPV6_STR
        "Routing protocol information")
 {
   if (! ripng)