diff --git a/Assignment 4 - Protokollsicherheit (Praxis)/abgabe.pdf b/Assignment 4 - Protokollsicherheit (Praxis)/abgabe.pdf
index 1aece91..368e192 100644
Binary files a/Assignment 4 - Protokollsicherheit (Praxis)/abgabe.pdf and b/Assignment 4 - Protokollsicherheit (Praxis)/abgabe.pdf differ
diff --git a/Assignment 4 - Protokollsicherheit (Praxis)/abgabe.tex b/Assignment 4 - Protokollsicherheit (Praxis)/abgabe.tex
index 0f05beb..8d15248 100644
--- a/Assignment 4 - Protokollsicherheit (Praxis)/abgabe.tex	
+++ b/Assignment 4 - Protokollsicherheit (Praxis)/abgabe.tex	
@@ -194,8 +194,8 @@
         \node[] (S) at (9,0) {\textbf{S}}; 
         \package{0, -2}{9, -2}{Alice}
         \package{9, -3}{6, -3}{\(N_S\)}
-        \package{6, -4}{9, -4}{\(N_S\)}
-        \package{9, -5}{6, -5}{\(\{Alice, N_S\}_{K_{ST}}\)}
+        \package{6, -4}{9, -4}{\textcolor{red}{\(N_S\)}}
+        \package{9, -5}{6, -5}{\(\{Alice, \textcolor{red}{N_S}\}_{K_{ST}}\)}
         \package{6, -6}{9, -6}{\(\{Alice, N_S\}_{K_{ST}}\)}
 
     }