diff --git a/man/znc.1 b/man/znc.1
index f608c218..7578adc9 100644
--- a/man/znc.1
+++ b/man/znc.1
@@ -77,6 +77,9 @@ This is the server certificate
 .B znc
 uses.
 You need this for SSL.
+.TP
+.BR \-r ", " \-\-allow-root
+Don't complain if ZNC is run with root privilegies.
 .SH SIGNALS
 This section explains how
 .B znc