Explain what "Warnwörter" are

quiz.html

@@ -58,7 +58,7 @@
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-	    <code>$Id: quiz.html,v 1.7 2024/01/20 08:38:45 oj14ozun Exp oj14ozun $</code>
+	    <code>$Id: quiz.html,v 1.8 2024/01/20 09:10:35 oj14ozun Exp oj14ozun $</code>
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@@ -89,7 +89,7 @@
 
     <span id="stats"></span>
     <input type="checkbox" id="display-hl" class="display-hl" />
-    <small class="display-hl">Hebe Warnwörter hervor</small>
+    <small class="display-hl">Hebe <abbr title="Wörter wie &quot;immer&quot;, &quot;nie&quot;, ...">Warnwörter</abbr> hervor</small>
     <span id="display-hl-hack"></span>
   </body>
   <script src="quiz.js"></script>