diff --git a/README.md b/README.md
index 56aca08..a5061ad 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,16 @@
 # gh-action-bot
 
-Action bot for Github.
+Action bot for Github. Checks a repo's event stream and leaves a ghost comment when your criteria is met.
 
 [![GitHub license](https://img.shields.io/badge/license-MIT-blue.svg)](https://raw.githubusercontent.com/w33ble/gh-action-bot/master/LICENSE)
-[![npm](https://img.shields.io/npm/v/gh-action-bot.svg)](https://www.npmjs.com/package/gh-action-bot)
-[![Project Status](https://img.shields.io/badge/status-experimental-orange.svg)](https://nodejs.org/api/documentation.html#documentation_stability_index)
+[![Project Status](https://img.shields.io/badge/status-stable-green.svg)](https://nodejs.org/api/documentation.html#documentation_stability_index)
+
+## Usage
+
+`node . owner/repo`
+
+You'll need to set some environment flags. Check `sample-env` for what is available, and you can copy the file to `.env` in the root and add your settings there as well.
+
 
 #### License
 
diff --git a/sample-env b/sample-env
new file mode 100644
index 0000000..39826d2
--- /dev/null
+++ b/sample-env
@@ -0,0 +1,6 @@
+GITHUB_ACCESS_TOKEN=xxx
+COMMENT_ACTOR=ci-comment-username
+COMMENT_BODY_REGEXP=build failed
+COMMENT_BODY_REGEXP_FLAGS=i
+PULL_LABEL_FILTER=
+PULL_RETEST_BODY=retest