Fix spelling, templates are not urirefs

Author: handrews

hyper-schema.json

@@ -47,9 +47,8 @@
         "not": { "$ref": "#" },
 
         "base": {
-            "description": "URI Template resolved as for the 'href' keyword in the Link Description Object.  The resulting URI Refernce is resolved against the current URI base and sets the new URI base for URI references within the instance.",
-            "type": "string",
-            "format": "uriref"
+            "description": "URI Template resolved as for the 'href' keyword in the Link Description Object.  The resulting URI Reference is resolved against the current URI base and sets the new URI base for URI references within the instance.",
+            "type": "string"
         },
         "links": {
             "type": "array",