diff --git a/README.md b/README.md
index 5e7ef19..6f7d023 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,12 @@
-# Express & mongoose REST API for FUUTR apps and admin portal
+# About
+
+- Node.js back-end: https://github.com/chrischenyc/fuutr-server
+- React admin portal: https://github.com/chrischenyc/fuutr-admin-web
+- iOS rider app: https://github.com/chrischenyc/fuutr-rider-app-ios
+
+## System Architecture
+
+![System Architecture](https://www.capturedlabs.com/fuutr-architecture.png)
 
 ## Overview
 
diff --git a/buildspec.yml b/buildspec.yml
index 11fd2f7..ad6078b 100644
--- a/buildspec.yml
+++ b/buildspec.yml
@@ -1,3 +1,5 @@
+# https://docs.aws.amazon.com/codebuild/latest/userguide/build-spec-ref.html
+
 version: 0.2
 
 phases:
diff --git a/src/routes/index.js b/src/routes/index.js
index ee9e2eb..c08b880 100644
--- a/src/routes/index.js
+++ b/src/routes/index.js
@@ -15,7 +15,7 @@ const search = require('./search');
 const issues = require('./issues');
 
 router.get('/health-check', (req, res) => {
-  res.status(200).send();
+  res.json({ message: 'server is up' });
 });
 
 router.use('/remoteConfig', remoteConfig);