diff --git a/README.md b/README.md
index 030b706..03d0604 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,11 @@
-# Gitlab Dater
+# GitLab Dater
 
-Set the updated dates for GitLab projects
\ No newline at end of file
+Set the updated dates for GitLab projects
+
+See https://theorangeone.net/posts/gitlab-dater/ for more.
+
+## Usage
+
+```
+sudo -u gitlab-psql ./gitlab-dater.sh <project id> <date>
+```