diff --git a/util/linuxfw/linuxfw_unsupported.go b/util/linuxfw/linuxfw_unsupported.go
index 38a638d87..4c6029af1 100644
--- a/util/linuxfw/linuxfw_unsupported.go
+++ b/util/linuxfw/linuxfw_unsupported.go
@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// NOTE: linux_{arm64, x86} are the only two currently supported archs due to missing
+// NOTE: linux_{arm64, amd64} are the only two currently supported archs due to missing
 // support in upstream dependencies.
 
 // TODO(#8502): add support for more architectures