Update spec/index.html

Co-authored-by: Peter F. Patel-Schneider <[email protected]>

Author: pchampin

spec/index.html

@@ -1904,8 +1904,7 @@ <h3>The <code>rdf:JSON</code> Datatype</h3>
     <p class="note">
       The finite unordered maps can be implemented with <a data-cite="INFRA#ordered-map">ordered maps</a> [[INFRA]]
       by systematically sorting key-value pairs by key (using <a data-cite="I18N-GLOSSARY#dfn-code-point" class="lint-ignore">Unicode code point</a> order).
-      This ensures that lexical forms that differ only in the order of object members are mapped to the same element of the value space
-      (e.g. <code>{"a": "b", "c": "d"}</code> and <code>{"c": "d", "a": "b"}</code>).
+      This ensures that lexical forms that differ only in the order of object members (e.g., <code>{"a": "b", "c": "d"}</code> and <code>{"c": "d", "a": "b"}</code>) are mapped to the same value.
     </p>
   </section>