--- /dev/null
+## JsonSchema\Validator Demo
+
+This demo script uses the example from the root README.md and provides sample JSON files for testing `JsonSchema\Validator`.
+
+To change or replace the JSON schema document, please edit `/path/to/json-schema/demo/schema.json`.
+
+To change or replace the JSON document that is validated, please edit `/path/to/json-schema/demo/data.json`.
+
+To run the demo, change the path in the following example and run it in your terminal.
+
+```
+cd /path/to/json-schema/demo
+php demo.php // The supplied JSON validates against the schema.
+```