diff --git a/ptbposter/ptbposter-doc-1.pdf b/ptbposter/ptbposter-doc-1.pdf
index da59038c282953dcc8fdafd3ffae54c43026e224..960dac2f653b675e33e3c9da83eacf6f0722763d 100644
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diff --git a/ptbposter/ptbposter-doc-1.tex b/ptbposter/ptbposter-doc-1.tex
index c6e17fa8d2a503c98fafe952b71fa7ae9eb9cde0..fa0fdba67599bfbf418566b2fb0ac3064faed984 100644
--- a/ptbposter/ptbposter-doc-1.tex
+++ b/ptbposter/ptbposter-doc-1.tex
@@ -102,9 +102,9 @@ Anleitung.}
 
 \begin{equation}
   P_{r-j}=\begin{cases}
-    0&  \text{if $r-j$ is odd},\\
-    r!\,(-1)^{(r-j)/2}&  \text{if $r-j$ is even}.
-  \end{cases}
+            0                  & \text{if $r-j$ is odd},\\
+            r!\,(-1)^{(r-j)/2} & \text{if $r-j$ is even}.
+          \end{cases}
 \end{equation}
 
 \end{document}
diff --git a/ptbposter/ptbposter-doc-2.pdf b/ptbposter/ptbposter-doc-2.pdf
index d248e74a805c0756aef49618dc466371b3c273d8..e3c069cc8572bcec8f5807a0e77070c18b7db87e 100644
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