diff --git a/1.50-release-notes.md b/1.50-release-notes.md
index 285c1c0..d7df43e 100644
--- a/1.50-release-notes.md
+++ b/1.50-release-notes.md
@@ -2,3 +2,6 @@
 - update to Go 1.21.1.
 - `tailscale ping` now sends an ICMP Ping code of 0.
 - UPnP falls back to a permanent lease if a limited lease fails, some servers only support permanent.
+
+## Linux
+- debian package lists iptables+iproute2 packages as recommended, not required.