From 042b24c2897a5c243de0d4bce3a75f202b2d4cc8 Mon Sep 17 00:00:00 2001
From: Stephen Hess <stephen.k.hess@gmail.com>
Date: Wed, 25 Jan 2017 11:17:41 -0500
Subject: [PATCH] added section on validation

---
 README.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/README.md b/README.md
index 4461f99..e63c237 100644
--- a/README.md
+++ b/README.md
@@ -63,6 +63,10 @@ PELIAS_CONFIG=/path/config.json \
 node -e "console.log( require('pelias-config').generate().stringify() );";
 ```
 
+### Validation
+
+Aside from `deep`, the `generate` function takes an additional parameter named `schema` that uses [Joi](https://www.npmjs.com/package/joi) to validate that the configuration is useable.  An error is thrown if the generated configuration does not validate against the schema.  
+
 ### Exporting & Debugging
 
 The generated config will be a [mergeable](https://github.com/pelias/mergeable) object: