diff --git a/README.md b/README.md
index 0d159df..23538b7 100644
--- a/README.md
+++ b/README.md
@@ -212,3 +212,8 @@ Add the subdomain hubot should connect to. If you web URL looks like
 
 You may want to get comfortable with `heroku logs` and `heroku restart` if
 you're having issues.
+
+## House Rules
+
+[Contributor Code of Conduct](http://contributor-covenant.org/version/1/2/0/) (TL;DR: Be excellent to each other.)
+