Update README.md

Author: Eric Elliott

README.md

@@ -132,7 +132,7 @@ Some of these links are affiliate links, meaning that if you make a purchase, I
 * [Credential](https://github.com/ericelliott/credential) If you write Node apps with password logins, you need Credential.
 * [cuid](https://github.com/ericelliott/cuid) GUIDs are broken - use cuid, instead.
 * [velocity](http://julian.com/research/velocity/) & [Velocity Motion Designer (VMD)](http://julian.com/research/velocity/#vmd) UI animation library.
-* [json-schema](https://github.com/kriszyp/json-schema)  Great for model validations.
+* [is-my-json-valid](https://github.com/mafintosh/is-my-json-valid)  A fast [json-schema](http://json-schema.org/) validator.
 * [inquirer.js](https://github.com/SBoudrias/Inquirer.js) Great library for building CLI tools.