cross-browser extension correction (#5455)

Author: jmrodwell

files/en-us/mozilla/add-ons/webextensions/build_a_cross_browser_extension/index.html

@@ -182,7 +182,7 @@ <h3 id="Extension_publishing">Extension publishing</h3>
     <p>Automatic, a few seconds<sup>1</sup></p>
    </td>
    <td>
-    <p>No</p>
+    <p>Yes</p>
    </td>
   </tr>
   <tr>