From 2e9efe0f6d904f8e3c0bdd60f51ba7434f34e944 Mon Sep 17 00:00:00 2001
From: Garrett D'Amore <garrett@damore.org>
Date: Mon, 5 Mar 2018 19:48:18 -0800
Subject: Document --zt-home option.

---
 docs/man/nngcat.adoc | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/docs/man/nngcat.adoc b/docs/man/nngcat.adoc
index e5528536..5e776e95 100644
--- a/docs/man/nngcat.adoc
+++ b/docs/man/nngcat.adoc
@@ -232,6 +232,16 @@ when using addresses that are not secured with TLS.
   Load CA certificates from _FILE_.  These CAs ("Certificate Authorities") are
   used as trust roots when validating certificates presented by peers.
 
+=== ZeroTier Options
+
+These options are only present if ZeroTier is configured; they are ignored
+otherwise.
+
+*--zt-home*=_DIRECTORY_::
+  Directory for persistent ZeroTier node (key material, etc.)  This directory
+  must already exist.  Only one program may use a ZeroTier node at a time;
+  file locking is used to prevent this.
+
 == EXAMPLES
 
 .Echo service using request/reply.
-- 
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