diff --git a/README.md b/README.md
index f74572b..8ad3929 100644
--- a/README.md
+++ b/README.md
@@ -5,15 +5,16 @@ A simple Mastodon bot written in python that posts updates from an RSS feed to a
 
 This project is meant to be built to a docker container, so all of the options need to be set as environment variables:
 
-MASTODON_CLIENT_ID = <Mastodon client ID>
+MASTODON_CLIENT_ID = Mastodon client ID
 
-MASTODON_CLIENT_SECRET = <Mastodon client secret>
+MASTODON_CLIENT_SECRET = Mastodon client secret
 
-MASTODON_ACCESS_TOKEN = <Mastodon access token>
+MASTODON_ACCESS_TOKEN = Mastodon access token
 
-MASTODON_INSTANCE_URL = <Mastodon instance URL>
+MASTODON_INSTANCE_URL = Mastodon instance URL
 
-RSS_FEED_URL = <URL of RSS/xml feed>
+RSS_FEED_URL = URL of RSS/xml feed
 
+CHECK_INTERVAL = Time in seconds to refresh RSS feed
 
 ![image](https://github.com/aserper/masto-rss/actions/workflows/masto-rss.yml/badge.svg)
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