Update spec/index.html

Co-authored-by: Ted Thibodeau Jr <[email protected]>

Author: 2 people

spec/index.html

@@ -319,7 +319,7 @@ <h3>RDF Vocabularies and Namespace IRIs</h3>
     <h3>Triple Terms and Reification</h3>
 
     <p>A <a>triple term</a> is an [=RDF triple=] used as an [=RDF term=]
-      in another triple. 
+      within another triple. 
       Being an [=RDF triple=], it denotes a <a>proposition</a>.
     <p>
       A <dfn>reifying triple</dfn> is a triple where the <a>predicate</a> is <code>rdf:reifies</code>