diff --git a/header.tex b/header.tex
index 3e761df..57952f9 100644
--- a/header.tex
+++ b/header.tex
@@ -3,18 +3,18 @@
 %
 
 \documentclass[
-12pt, 		% 12pt font size
-pdftex, 	% we are just using pdf
-a4paper,	% a4 paper format
+12pt,       % 12pt font size
+pdftex,     % we are just using pdf
+a4paper,    % a4 paper format
 titlepage,% title has its own page
-oneside,	% single-page view
+oneside,    % single-page view
 %twocolumn,% use two text columns
 headsepline, % hr after headline
 footsepline, % hr before footer,
 bibliography=totoc, % Include literaturverzeichnis in inhaltsverzeichnis
 listoftables=totoc,
-ngerman,	% it's a german document
-%draft,		% create debug build. remove for release build
+ngerman,    % it's a german document
+%draft,         % create debug build. remove for release build
 hidelinks,  % avoid weird ref highlighting
 ]{scrbook}
 
diff --git a/images/geschäftsprozess-nachher.drawio b/images/geschäftsprozess-nachher.drawio
index b5b3349..3062e32 100644
--- a/images/geschäftsprozess-nachher.drawio
+++ b/images/geschäftsprozess-nachher.drawio
@@ -1 +1 @@
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\ No newline at end of file
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\ No newline at end of file