diff --git a/docs/configuration/service/router-advert.rst b/docs/configuration/service/router-advert.rst
index 8f984b10b3..654823cc71 100644
--- a/docs/configuration/service/router-advert.rst
+++ b/docs/configuration/service/router-advert.rst
@@ -102,6 +102,13 @@ To disable advertisements without deleting the configuration:
 
 .. cfgcmd:: set service router-advert interface <interface> no-send-advert
 
+   If set, the router will no longer sends periodic router advertisements and not
+   responds to router solicitations.
+
+.. cfgcmd:: set service router-advert interface <interface> no-send-interval
+
+   Advertisement Interval Option (specified by Mobile IPv6) is always included in
+   Router Advertisements unless this option is set. 
 
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 Example