From 37d76af60a6bf1e63142224629405f29dd16fd72 Mon Sep 17 00:00:00 2001
From: pacien <pacien.trangirard@pacien.net>
Date: Wed, 5 Jun 2019 14:16:47 +0200
Subject: [PATCH] add note for config override using env vars

Signed-off-by: pacien <pacien.trangirard@pacien.net>
---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index c1ce1e7..ddfead1 100644
--- a/README.md
+++ b/README.md
@@ -104,6 +104,7 @@ should show up in the network list on Riot and other clients.
 
 * For the bot to appear online on Discord you need to run the bridge itself.
 * ``npm start``
+* Particular configuration keys can be overridden by defining corresponding environment variables. For instance, `auth.botToken` can be set with `APPSERVICE_DISCORD_AUTH_BOT_TOKEN`.
 
 [Howto](./docs/howto.md)
 
-- 
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