Add --enable-ubus option.
diff --git a/man/dnsmasq.8 b/man/dnsmasq.8
index f3c36a4..ce895b8 100644
--- a/man/dnsmasq.8
+++ b/man/dnsmasq.8
@@ -366,6 +366,11 @@
provides service at that name, rather than the default which is
.B uk.org.thekelleys.dnsmasq
.TP
+.B --enable-ubus
+Enable dnsmasq UBus interface. It sends notifications via UBus on
+DHCPACK and DHCPRELEASE events. Furthermore it offers metrics.
+Requires that dnsmasq has been built with UBus support.
+.TP
.B \-o, --strict-order
By default, dnsmasq will send queries to any of the upstream servers
it knows about and tries to favour servers that are known to