diff --git a/mb/Uebung1.pdf b/mb/Uebung1.pdf
index 99a6421..a822913 100644
--- a/mb/Uebung1.pdf
+++ b/mb/Uebung1.pdf
Binary files differ
diff --git a/mb/Uebung1.tex b/mb/Uebung1.tex
index 8526c57..ead4cbe 100644
--- a/mb/Uebung1.tex
+++ b/mb/Uebung1.tex
@@ -149,9 +149,9 @@
                 0&0&0&1
             \end{pmatrix}\\
             &=\begin{pmatrix}
-                0&-1&0&-1\\
-                0&0&1&-1\\
-                -1&0&0&2\\
+                0&0&-1&2\\
+                -1&0&0&-1\\
+                0&1&0&1\\
                 0&0&0&1
             \end{pmatrix}
              \end{align*}