diff --git a/doc/haproxy.1 b/doc/haproxy.1
index f8749865fa..7554f9d9f8 100644
--- a/doc/haproxy.1
+++ b/doc/haproxy.1
@@ -173,6 +173,12 @@ Attempt to connect to the unix socket, and retrieve all the listening sockets
 from the old process. Those sockets will then be used if possible instead of
 binding new ones.
 
+.TP
+\fB\-S <bind>[,<bind options>...]\fP
+In master-worker mode, create a master CLI. This CLI will enable access to the
+CLI of every worker. Useful for debugging, it's a convenient way of accessing a
+leaving process.
+
 .SH LOGGING
 Since HAProxy can run inside a chroot, it cannot reliably access /dev/log.
 For this reason, it uses the UDP protocol to send its logs to the server,
diff --git a/src/haproxy.c b/src/haproxy.c
index 0c1d5a2636..9821765a45 100644
--- a/src/haproxy.c
+++ b/src/haproxy.c
@@ -527,7 +527,7 @@ static void usage(char *name)
 		"        -dV disables SSL verify on servers side\n"
 		"        -sf/-st [pid ]* finishes/terminates old pids.\n"
 		"        -x <unix_socket> get listening sockets from a unix socket\n"
-		"        -S <unix_socket>[,<bind options>...] new stats socket for the master\n"
+		"        -S <bind>[,<bind options>...] new master CLI\n"
 		"\n",
 		name, cfg_maxpconn);
 	exit(1);