diff --git a/README.md b/README.md
index 9496ac8..75b92a0 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,8 @@
 + `cd`
 + `git clone https://git.webionite.com/ceda_ei/minetest-telegram-bridge`
 + `ln -s ~/minetest-telegram-bridge/chat_mod ~/.minetest/mods/chat_mod`
++ Add mod to `secure.http_mods`.
+	+ Add this line if `secure.http_mods` doesn't exist. `secure.http_mods = chat_mod`
 + Enable the mod in `world.mt`
 + `cd minetest-telegram-bridge/bot`
 + Copy `sample.config.py` to `config.py` and edit.