diff --git a/README.md b/README.md
index efaae6b..614f11b 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,11 @@ It's currently running at [https://git-hop.appspot.com/](https://git-hop.appspot
 
 ## Running Locally
 
-First, [install the Go App Engine SDK](https://developers.google.com/appengine/downloads#Google_App_Engine_SDK_for_Go). Then run:
+First, [install the Go App Engine SDK](https://developers.google.com/appengine/downloads#Google_App_Engine_SDK_for_Go). 
+
+Then, create `github-oauth.json` (you'll need to [register a new app](https://github.com/settings/applications/new) with GitHub) and `session.json` (with randomly-generated keys) files in the `config` directory, based on the sample files that are already there.
+
+Finally, run:
 
 ```
 dev_appserver.py --enable_sendmail=yes app