From 27ca1d9289133fc2b1315f9c8ae4c31e6892c4de Mon Sep 17 00:00:00 2001
From: Paul Eckhardt <pe@nilu.no>
Date: Wed, 21 Aug 2024 18:02:13 +0200
Subject: [PATCH] add info about CF

---
 docs/fileformat_netcdf/metadata.rst | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/docs/fileformat_netcdf/metadata.rst b/docs/fileformat_netcdf/metadata.rst
index 6be92a1..c5e5b7e 100644
--- a/docs/fileformat_netcdf/metadata.rst
+++ b/docs/fileformat_netcdf/metadata.rst
@@ -28,7 +28,8 @@ CF Metadata Conventions
 -----------------------
 
 The `CF Metadata Conventions <https://cfconventions.org>`_ 
-longer list of metadata as global or variable attributes.
+requires a longer list of metadata as global or variable attributes as well as
+some additional concepts, like :ref:`boundary variables<time_bnds>`.
 
 
 ACDD convention
-- 
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