diff --git a/techniques/aria/ARIA11.html b/techniques/aria/ARIA11.html
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+++ b/techniques/aria/ARIA11.html
@@ -22,13 +22,13 @@ <h1>Using ARIA landmarks to identify regions of a page</h1>
 </p>
       <p>Landmarks are inserted into the page using the role attribute on an element that marks the section. The value of the attribute is the name of the landmark. These role values are listed below. For HTML mappings of landmark roles, refer to the <cite>Rules of ARIA attribute usage by HTML element</cite> table in the <a href="https://www.w3.org/TR/html-aria/">ARIA In HTML recommendation</a>.</p>
       <ul>
-         <li><code class="language-html">banner</code>: A region that contains the prime heading or internal title of a page.</li>
-         <li><code class="language-html">navigation</code>: A region that contains navigation links links to other pages or different parts of the same page.</li>
-         <li><code class="language-html">main</code>: A region that contains a page's main content.</li>
-         <li><code class="language-html">region</code>: A region that contains a perceivable section of the page containing content that is sufficiently important for users to be able to navigate to the section. A <code class="language-html">region</code> landmark isn't exposed as a landmark region unless it has an accessible name.</li>
-         <li><code class="language-html">form</code>: A region of the document that represents a collection of form-associated elements, some of which can represent editable values that can be submitted to a server for processing.</li>
-         <li><code class="language-html">search</code>: A region of the page containing search functionality.</li>
-         <li><code class="language-html">complementary</code>: Any section of the document that supports the main content, yet is separate and meaningful on its own.</li>
+         <li><code class="language-html">banner</code>: A region that contains mostly site-oriented content, rather than page-specific content.</li>
+         <li><code class="language-html">navigation</code>: A region that contains a collection of navigational elements (usually links) for navigating the document or related documents.</li>
+         <li><code class="language-html">main</code>: A region that contains the main content of a document.</li>
+         <li><code class="language-html">region</code>: A region that contains a perceivable section of the page containing content that is relevant to a specific, author-specified purpose and sufficiently important that users will likely want to be able to navigate to the section easily A <code class="language-html">region</code> landmark isn't exposed as a landmark region unless it has an accessible name.</li>
+         <li><code class="language-html">form</code>: A region that represents a collection of form-associated elements, some of which can represent editable values that can be submitted to a server for processing.</li>
+         <li><code class="language-html">search</code>: A region that contains a collection of items and objects that, as a whole, combine to create a search facility.</li>
+         <li><code class="language-html">complementary</code>: A region that supports the main content, yet is separate and meaningful on its own.</li>
          <li><code class="language-html">contentinfo</code>: A region that contains information about the parent document such as copyrights and links to privacy statements.</li>
       </ul>