Deleted redundant whitespace

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

Author: 2 people

spec/index.html

@@ -1662,7 +1662,7 @@ <h2>RDF Datasets</h2>
     <caption>Definition of RDF dataset merge</caption>
     <tr>
        <td class="semantictable">
-            <p>Given two or more RDF datasets, their  <dfn>RDF dataset merge</dfn> 
+            <p>Given two or more RDF datasets, their <dfn>RDF dataset merge</dfn> 
             is defined by the following procedure:<br>
             <ol>
               <li>Force any blank nodes shared between the datasets to be unique in each dataset.</li>