update tools link to point to right page

src/accessibility/tools-and-resources.html

@@ -60,7 +60,7 @@ <h4><a href="https://webaim.org/resources/contrastchecker/">WebAIM colour contra
                     <h3>Resources</h3>
                     <ul>
                         <li><a href="{{ '/accessibility/how-to-use-a-screen-reader.html' | prepend: site.baseurl }}">How to use a screen reader</a></li>
-                        <li><a href="{{ '/accessibility/how-to-test-your-work-with-disabled-people.html' | prepend: site.baseurl }}">How to test your work with disabled people</a></li>
+                        <li><a href="{{ '/accessibility/how-to-test-for-accessibility.html' | prepend: site.baseurl }}">How to test for accessibility</a></li>
                     </ul>
 
                     <h2>Testing your content</h2>