diff --git a/libbsd.txt b/libbsd.txt
index f368b089..f2f4c1b6 100644
--- a/libbsd.txt
+++ b/libbsd.txt
@@ -105,6 +105,8 @@ the current Git submodule commit is this
 
 * sysctl_handle_opaque(): Implement reliable snapshots.
 
+* PING6(8): What to do with SIGALARM?
+
 [listing]
 ----
     /* sysinit section? */