Fix output instance relative location to be of non-URI fragment-encoded form

Author: ssilverman

jsonschema-core.xml

@@ -2726,7 +2726,7 @@ https://example.com/schemas/common#/$defs/count/minimum
                 <section title="Instance Location">
                     <t>
                         The location of the JSON value within the instance being validated.  The
-                        value MUST be expressed as a URI fragment-encoded JSON Pointer.
+                        value MUST be expressed as a JSON Pointer.
                     </t>
                     <t>
                         The JSON key for this information is "instanceLocation".