Trying different syntax

Author: jamesdaniels

docs/version-7-upgrade.md

@@ -87,7 +87,7 @@ AngularFire no longer provides observables and functions as class methods, evert
         <tr>
             <td rowspan="3">AngularFirestore</td>
             <td>collection</td>
-            <td class="highlight highlight-source-ts"><pre>import { collection } from 'firebase/firestore'</pre></td>
+            <td><code class="language-ts">import { collection } from 'firebase/firestore'</code></td>
         </tr>
         <tr>
             <td>doc</td>