diff --git a/draft-ymbk-idr-l3-discovery.xml b/draft-ymbk-idr-l3-discovery.xml
index 0d499cf..8880289 100644
--- a/draft-ymbk-idr-l3-discovery.xml
+++ b/draft-ymbk-idr-l3-discovery.xml
@@ -502,7 +502,8 @@ Flags (bit):
By default, GTSM, , SHOULD be enabled to
test that a received HELLO MUST be on the local link. It MAY be
- disabled by configuration.
+ disabled by configuration. GTSM check failures SHOULD be logged,
+ though with rate limiting to keep from overwhelming logs.
If more than one device responds, one adjacency is formed for
each unique source IP address. L3ND treats each adjacency as a
@@ -539,7 +540,9 @@ Flags (bit):
By default, GTSM, , SHOULD be enabled to
ensure that a SYN received in response to a HELLO is on the local
- link. It MAY be disabled by configuration.
+ link. It MAY be disabled by configuration. GTSM check failures
+ SHOULD be logged, though with rate limiting to keep from
+ overwhelming logs.
If the receiver of a HELLO agrees with the sender's choice of
TLS/TCP and authentication, both sides have agreed on an AFI for the