diff --git a/README.md b/README.md
index 9271cb8..7caebb2 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ l2tpns notably supports:
 - clustered load balancing and fail-over
 - MPPP
 - BGP
-- kernel-level acceleration
+- kernel-level acceleration (LAC needs Linux ≥ 5.11)
 - throttling
 - snooping
 - walled garden