From 86450d6f48d87a68aaccb73c6caa1cc6e8b616b2 Mon Sep 17 00:00:00 2001
From: Jason Volk <jason@zemos.net>
Date: Sun, 10 Mar 2019 12:49:30 -0700
Subject: [PATCH] Update README with note on configuration variables from env
 vars.

---
 README.md | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/README.md b/README.md
index 5cd4a82d9..1c63de72f 100644
--- a/README.md
+++ b/README.md
@@ -211,6 +211,15 @@ to point at Riot's `webapp/` directory by entering the following:
 
 6. Browse to `https://host.tld:8448/` and register a user.
 
+#### Additional Notes
+
+##### Recovering from broken configurations
+
+If your server ever fails to start from an errant conf item: you can override
+any item using an environmental variable before starting the program. To do
+this simply replace the '.' characters with '_' in the name of the item when
+setting it in the environment. The name is otherwise the same, including its
+lower case.
 
 ## Developers