diff --git a/Webdev in Haskell.pdf b/Webdev in Haskell.pdf
index 4de0f68..0c098ae 100644
Binary files a/Webdev in Haskell.pdf and b/Webdev in Haskell.pdf differ
diff --git a/Webdev in Haskell.tex b/Webdev in Haskell.tex
index 8366354..1334924 100644
--- a/Webdev in Haskell.tex	
+++ b/Webdev in Haskell.tex	
@@ -221,6 +221,7 @@
 \end{frame}
 
 \begin{frame}{Code-Repositories}
+	\begin{center}
 	\begin{minipage}{.45\linewidth}
 		\begin{center}
 			\qrcode{https://gitea.nek0.eu/nek0/mateamt}\\
@@ -233,6 +234,7 @@
 			\href{https://gitea.nek0.eu/nek0/matebeamter}{gitea.nek0.eu/nek0/matebeamter}
 		\end{center}
 	\end{minipage}
+	\end{center}
 \end{frame}
 
 \section*{Abschluss}