You cannot easily target the second line of the edit by meta:
<span class="qa-q-view-avatar-meta">
<span class="qa-q-view-meta">
<a href="../409456/aaa" class="qa-q-view-what">Gefragt</a>
<span class="qa-q-view-when">
<span class="qa-q-view-when-data"><time itemprop="dateCreated" datetime="2016-12-29T19:11:09+0000" title="2016-12-29T19:11:09+0000">29 Dez 2016</time></span>
</span>
<span class="qa-q-view-who">
<span class="qa-q-view-who-pad">von </span>
<span class="qa-q-view-who-data">
<a href="../ip/213" title="IP-Adresse 213" class="qa-ip-link"><span itemprop="author" itemscope="" itemtype="http://schema.org/Person"><span itemprop="name">Gast</span></span></a></span>
</span>
<br>
<!-- HERE should come another DIV as wrap element for the following -->
<span class="qa-q-view-what">Bearbeitet</span>
<span class="qa-q-view-when">
<span class="qa-q-view-when-pad">vor </span><span class="qa-q-view-when-data"><a rel="nofollow" href="../revisions/409456" class="qa-q-view-revised"><time itemprop="dateModified" datetime="2018-02-17T13:11:08+0000" title="2018-02-17T13:11:08+0000">2 Tagen</time></a></span>
</span>
<span class="qa-q-view-who">
<span class="qa-q-view-who-pad">von </span><span class="qa-q-view-who-data"><span itemprop="author" itemscope="" itemtype="http://schema.org/Person"><a href="../user/tester" class="qa-user-link" itemprop="name">tester</a></span></span>
</span>
</span>
</span>