diff --git a/doc/bird.sgml b/doc/bird.sgml
index c66e8c72..7cbb4de6 100644
--- a/doc/bird.sgml
+++ b/doc/bird.sgml
@@ -1977,13 +1977,16 @@ using the following configuration parameters:
immediately shut down. Note that this option cannot be used with
multihop BGP. Default: disabled.
-
+
BGP could use BFD protocol as an advisory mechanism for neighbor
liveness and failure detection. If enabled, BIRD setups a BFD session
for the BGP neighbor and tracks its liveness by it. This has an
advantage of an order of magnitude lower detection times in case of
- failure. Note that BFD protocol also has to be configured, see
- section for details. Default: disabled.
+ failure. When a neighbor failure is detected, the BGP session is
+ restarted. Optionally, it can be configured (by
+ section for details. Default: disabled.