diff --git a/README.md b/README.md
index 001f94b..9134ec2 100644
--- a/README.md
+++ b/README.md
@@ -52,6 +52,7 @@ please open a pull request adding it below in alphabetical order with a URL and
 description of your deviance.
 
 * [Lumos Labs](https://github.com/lumoslabs/sqlstyle.guide) - removed the river, Redshift, etc. [www](http://engineering.lumosity.com/sqlstyle.guide)
+* [Mozilla](https://github.com/mozilla/firefox-data-docs/blob/master/concepts/sql_style.md) - removed the river, heavily modified [www](https://docs.telemetry.mozilla.org/concepts/sql_style.html)
 
 
 [md-lang]: http://daringfireball.net/projects/markdown/