From f36a5a9e7db533cc89d5e92f587857e264bcbad1 Mon Sep 17 00:00:00 2001
From: Brandon Liu <bdon@users.noreply.github.com>
Date: Wed, 31 Mar 2021 13:58:57 +0800
Subject: [PATCH] Update README.md

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 README.md | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index ed259d9..8aa3568 100644
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 PMTiles is a single-file archive format for tiled data. A PMTiles archive can be hosted on a commodity storage platform such as S3, and enables low-cost, zero-maintenance map applications that are "serverless" - free of a custom tile backend or third party provider.
 
 See also:
-* [Cloud Optimized GeoTIFFs](https://www.cogeo.org) 
\ No newline at end of file
+* [Cloud Optimized GeoTIFFs](https://www.cogeo.org)
+
+
+## License
+
+The reference implementations of PMTiles are published under the BSD 3-Clause License. The PMTiles specification itself is public domain, or under a CC0 license where applicable.