diff --git a/draft-ietf-quic-transport.md b/draft-ietf-quic-transport.md
index b242445ee7..236404d40f 100644
--- a/draft-ietf-quic-transport.md
+++ b/draft-ietf-quic-transport.md
@@ -2254,11 +2254,11 @@ abandons its attempt to validate the path.
 Endpoints SHOULD abandon path validation based on a timer. When setting this
 timer, implementations are cautioned that the new path could have a longer
 round-trip time than the original.  A value of three times the larger of the
-current Probe Timeout (PTO) or the initial timeout (that is, 2*kInitialRtt) as
+current Probe Timeout (PTO) or the initial timeout (that is, 3*kInitialRtt) as
 defined in {{QUIC-RECOVERY}} is RECOMMENDED.  That is:
 
 ~~~
-   validation_timeout = max(3*PTO, 6*kInitialRtt)
+   validation_timeout = max(3*PTO, 9*kInitialRtt)
 ~~~
 
 This timeout allows for multiple PTOs to expire prior to failing path