diff --git a/sections/german/15/15.md b/sections/german/15/15.md
index 6b8d9d0..d058ea2 100644
--- a/sections/german/15/15.md
+++ b/sections/german/15/15.md
@@ -6,14 +6,6 @@
 
 ---
 
-Weitere Umgebungen
-
-*   Abstracts (für Paper)
-*   Blockquotes
-*   Chemische Strukturformeln
-*   Konstituentenbäume
-*   Abhängigkeitsbäume
-
 ---
 
 <div class="layout-content-and-preview">
@@ -80,7 +72,6 @@ child { node {home}
 \end{tikzpicture}
     </code>
     </pre>
-
     </div>
 <div class="layout-preview">
         <img src="sections/german/04/relative_path.png">
@@ -89,6 +80,49 @@ child { node {home}
 
 ---
 
+<div class="layout-content-and-preview">
+    <div class="layout-content">
+    <h2>paralist</h2>
+    <p>Paket für platzsparendere Listen</p>
+    <pre class="lang-tex hljs">
+    <code>
+    \begin{asparaenum} %enumerate
+       \item Erdbeeren
+       \item Stachelbeeren
+       \item Eisbären
+    \end{asparaenum}
+    
+    \begin{asparaitem} %itemize
+       \item Erdbeeren
+       \item Stachelbeeren
+       \item Eisbären
+    \end{asparaitem}
+   </code>
+</div>
+<div>
+    <img src="sections/german/15/paralist.png">
+</div>
+
+---
+
+<div class="layout-content-and-preview">
+    <div class="layout-content">
+    <h2>Linguistik</h2>
+    <p>Beispiel Konstituentenbäume mit <code>qtree</code></p>
+    </div>
+    <div class="layout-preview">
+    <pre class="lang-tex hljs">
+    <code>
+    \Tree [.S [.NP LaTeX ] [.VP [.V is ] [.NP fun ] ] ]
+    </code>
+    </pre>
+</div>
+<div class="layout-preview">
+    <img src="sections/german/15/constituency_tree.png">
+</div>
+
+---    
+
 <div class="layout-content-and-preview">
     <div class="layout-content">
     <h2><a href="https://ctan.org">CTAN - Comprehensive TeX Archive Network</a></h2>