Added line break

Co-authored-by: Ted Thibodeau Jr <tthibodeau@openlinksw.com>

Author: franconi

spec/index.html

@@ -1668,7 +1668,8 @@ <h2>RDF Datasets</h2>
               <li>Force any blank nodes shared between the datasets to be unique in each dataset.</li>
               <li>Label each triple in the datasets (a) with the name (a URI or a blank node) of the graph it is included in, 
 				  and (b) with a special label "default" if it is included in a default graph.</li>
-              <li>For each label, there is a named graph in the <i>RDF dataset merge</i> with the name equal to the label and including the triples with that label.</li>
+              <li>For each label, there is a named graph in the <i>RDF dataset merge</i> with the name equal to the label
+              and including the triples with that label.</li>
               <li>There is no other named graph in the <i>RDF dataset merge</i>.</li>
               <li>The default graph of the <i>RDF dataset merge</i> includes the triples with the label "default".</li>
             </ol>