diff --git a/man/man8/ss.8 b/man/man8/ss.8
index f03c6d8..7e8d8e8 100644
--- a/man/man8/ss.8
+++ b/man/man8/ss.8
@@ -57,6 +57,9 @@
 summary from various sources. It is useful when amount of sockets is so huge
 that parsing /proc/net/tcp is painful.
 .TP
+.B \-b, \-\-bpf
+Show socket BPF filters (only administrators are allowed to get these information).
+.TP
 .B \-4, \-\-ipv4
 Display only IP version 4 sockets (alias for -f inet).
 .TP