Update techniques/failures/F38.html

Author: patrickhlauke

techniques/failures/F38.html

@@ -5,7 +5,7 @@
                         should be ignored by AT. If there is no alt attribute at all assistive
                         technologies are not able to ignore the non-text content. The alt attribute
                         must be provided and have a null value (i.e., alt="" ) to avoid a failure of this Success Criterion. </p>
-      <p>This describes a failure condition for text alternatives for images that should be ignored by assistive technology (AT). If an image has the attribute role="presentation", it will be ignored by AT. However, if it does not have role="presentation", and if there is no <code>alt</code> attribute at all assistive technologies are not able to ignore the image. For decorative images which need to be ignored by AT, either role="presentation" must be used or the alt attribute must be provided and have a null value (i.e., alt="") to avoid a failure of this Success Criterion.</p>
+      <p>This describes a failure condition for text alternatives for images that should be ignored by assistive technology (AT). If an image has the attribute <code>role="presentation"</code>, it will be ignored by AT. However, if it does not have <code>role="presentation"</code>, and if there is no <code>alt</code> attribute at all assistive technologies are not able to ignore the image. For decorative images which need to be ignored by AT, either <code>role="presentation"</code> must be used or the <code>alt</code> attribute must be provided and have a null value (i.e., <code>alt=""</code>) to avoid a failure of this success criterion.</p>
    </section><section id="examples"><h2>Examples</h2>
       <ul>
          <li>Decorative images that have no <code>alt</code>