diff --git a/tikz/venn-diagramm/venn-diagramm.tex b/tikz/venn-diagramm/venn-diagramm.tex
index 0311c71..6cc3b2e 100644
--- a/tikz/venn-diagramm/venn-diagramm.tex
+++ b/tikz/venn-diagramm/venn-diagramm.tex
@@ -47,6 +47,8 @@
                 \end{itemize}
             \end{minipage}
           }
+          (6, 0) node[example, draw=lime, fill=lime!15] (X) {$\text{GL}(n, \mathbb{K})$}
+          (6,-1) node[example, draw=lime, fill=lime!15] (X) {$\text{O}(n)$}
           (0,-2) node[algebraicName, purple] (C) {abelsche Gruppe}
           (2,-2) node[explanation]   (X) {
             \begin{minipage}{150\textwidth}
@@ -59,6 +61,7 @@
           }
           (2, -3) node[example, draw=purple, fill=purple!15] (D) {$(\mathbb{Z}, +)$}
           (4, -3) node[example, draw=purple, fill=purple!15] (E) {$(\mathbb{Q} \setminus \{0\}, \cdot)$}
+          (6, -3) node[example, draw=purple, fill=purple!15] (X) {$\mathbb{Z}_1$}
 
           (10,-6) node[example, draw=black, fill=black!15] (F) {$(\mathbb{N}_0, +)$}
           (12,-6) node[example, draw=black, fill=black!15] (G) {$(\mathbb{N}_0, \cdot)$}