diff --git a/README.md b/README.md
index f5a2dcf..4b00405 100644
--- a/README.md
+++ b/README.md
@@ -28,6 +28,7 @@ Here's what the various config options mean.
 * `matrixdomain`: The part after the @ in your username.
 * `matrixuser`: Bot account username for this bridge.
 * `matrixpass`: Bot account password.
+* `matrixaccesstoken`: Bot account access token. If empty, one will be fetched and written to the config for you.
 * `inviteusers`: List of users that the bot will invite to new SMS rooms.
 * `smsapikey`: Voxtelesys SMS API key.
 * `smsfrom`: Default DID. Outgoing SMS will be sent from this number.
@@ -61,4 +62,4 @@ Chat commands can be issued in any room the bot is joined to.
 
 * Any messages posted in a Matrix room while the bot is offline will not be relayed to SMS when it comes back.
 * Only unread SMS are fetched, so if anything else is checking the API this bot won't get those.
-* If it crashes try the latest [Node.js LTS](https://github.com/nodesource/distributions) (v14 as of commit date)
\ No newline at end of file
+* If it crashes try the latest [Node.js LTS](https://github.com/nodesource/distributions) (v18 as of commit date)
\ No newline at end of file