diff --git a/semester4/ps/ps-jh/parts/09_combinatorics/03_binomial-theorem.tex b/semester4/ps/ps-jh/parts/09_combinatorics/03_binomial-theorem.tex
index 5849522..6837164 100644
--- a/semester4/ps/ps-jh/parts/09_combinatorics/03_binomial-theorem.tex
+++ b/semester4/ps/ps-jh/parts/09_combinatorics/03_binomial-theorem.tex
@@ -1,4 +1,5 @@
 \subsection{Binomialsatz}
+Def:
 \[
     (x + y)^n = \sum_{i = 0}^{n} {n \choose i} x^i y^{n - i} = \sum_{i = 0}^{n} {n \choose i} x^{n - i} y^i
 \]
diff --git a/semester4/ps/ps-jh/parts/10_tips-and-tricks/00_phi-func-table.tex b/semester4/ps/ps-jh/parts/10_tips-and-tricks/00_phi-func-table.tex
index d43e2cc..ae10555 100644
--- a/semester4/ps/ps-jh/parts/10_tips-and-tricks/00_phi-func-table.tex
+++ b/semester4/ps/ps-jh/parts/10_tips-and-tricks/00_phi-func-table.tex
@@ -1,4 +1,4 @@
 \subsection{Standard-Normalverteilung}
-Tabelle mit Werten der $\Phi$-Funktion der Verteilung
+Tabelle mit Werten der $\Phi(z)$-Funktion der Verteilung
 
 \includegraphics[width=1\columnwidth]{assets/standard-normal-distribution-table.png}
diff --git a/semester4/ps/ps-jh/probability-and-statistics-cheatsheet.pdf b/semester4/ps/ps-jh/probability-and-statistics-cheatsheet.pdf
index b0f81f4..f4e6b4b 100644
Binary files a/semester4/ps/ps-jh/probability-and-statistics-cheatsheet.pdf and b/semester4/ps/ps-jh/probability-and-statistics-cheatsheet.pdf differ