diff --git a/README.md b/README.md
index 8d7609e..9575fda 100644
--- a/README.md
+++ b/README.md
@@ -57,3 +57,4 @@ These go in `config.json`. See also `config.example.json`.
 |port|8890|Port from which to serve attachments and logs|
 |url|None|URL to use for attachment and log links. Defaults to `IP:PORT`|
 |snippetPrefix|"!!"|Prefix to use snippets. Defaults to `prefix` x2.|
+|inboxServerPermission|None|Permission required to use bot commands on the inbox server|