Changed JSON Reference href

Author: darrelmiller

versions/3.0.md

@@ -175,8 +175,7 @@ password | `string` | `password` | Used to hint UIs the input needs to be obscur
 Unless specified otherwise, all properties that are URLs MAY be relative references as defined by [RFC 3986](https://tools.ietf.org/html/rfc3986#section-4.2).
 Relative references are resolved using the URLs defined in the [Servers array](#servers) as a Base URI.
 
-Relative references used in $ref are processed as per [JSON Schema](http://json-schema.org/latest/json-schema-core.html), i.e. using the URL of the current document as the base URI. 
-    
+Relative references used in $ref are processed as per [JSON Reference](https://tools.ietf.org/html/draft-pbryan-zyp-json-ref-03), i.e. using the URL of the current document as the base URI.     
 
 ### Schema