Apply suggestion from @davidlehn.

Author: gkellogg

index.html

@@ -3678,7 +3678,7 @@ <h3>Using the Document Base for the Default Vocabulary</h3>
   </p>
 
   <aside class="example ds-selector-tabs changed"
-  title="overriding permitted if both definitions are identical">
+  title="Overriding permitted if both definitions are identical">
     <div class="selectors">
         <button class="selected" data-selects="original">Original</button>
         <button data-selects="expanded">Expanded</button>
@@ -3722,7 +3722,7 @@ <h3>Using the Document Base for the Default Vocabulary</h3>
     </pre>
     <pre class="expanded nohighlight"
          data-transform="updateExample"
-         data-result-for="overriding permitted if both definitions are identical-original"
+         data-result-for="Overriding permitted if both definitions are identical-original"
          data-ignore
     >
     <!--
@@ -3740,7 +3740,7 @@ <h3>Using the Document Base for the Default Vocabulary</h3>
     -->
     </pre>
     <table class="statements"
-           data-result-for="overriding permitted if both definitions are identical-expanded"
+           data-result-for="Overriding permitted if both definitions are identical-expanded"
            data-to-rdf>
       <thead><tr><th>Subject</th><th>Property</th><th>Value</th></tr></thead>
       <tbody>
@@ -3752,7 +3752,7 @@ <h3>Using the Document Base for the Default Vocabulary</h3>
     </table>
     <pre class="turtle"
          data-content-type="text/turtle"
-         data-result-for="overriding permitted if both definitions are identical-expanded"
+         data-result-for="Overriding permitted if both definitions are identical-expanded"
          data-transform="updateExample"
          data-ignore
          data-to-rdf>