diff --git a/chapter-qkd/chapter.pdf b/chapter-qkd/chapter.pdf
index f350721..ad0b137 100644
Binary files a/chapter-qkd/chapter.pdf and b/chapter-qkd/chapter.pdf differ
diff --git a/chapter-qkd/chapter.tex b/chapter-qkd/chapter.tex
index eef5642..c44e45f 100644
--- a/chapter-qkd/chapter.tex
+++ b/chapter-qkd/chapter.tex
@@ -1,7 +1,7 @@
 \documentclass[11pt,a4paper,notitlepage,twoside]{report}
 \usepackage[ngerman, english]{babel}
 \usepackage[utf8]{inputenc}
-\usepackage[a4paper, top=3cm, bottom=3.5cm, inner=3.5cm, outer=5cm, marginpar=4cm]{geometry}
+\usepackage[a4paper, top=3cm, bottom=3.5cm, inner=3.5cm, outer=5cm, marginpar=3.8cm]{geometry}
 \usepackage[T1]{fontenc}
 \usepackage{amssymb}
 \usepackage{amsmath}