diff --git a/README.md b/README.md
index 5430722..6298ee6 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,16 @@
 # hedgedoc2pdf
 
-Shellscript that converts a hedgedoc pad to pdf using pandoc
\ No newline at end of file
+Shellscript that converts a hedgedoc pad to pdf using pandoc
+
+You also need the python package `pandoc-latex-environment`.
+Because of this, install the package in an virtual environment.
+
+```
+python -m venv venv
+source venv/bin/activate
+pip install pandoc-latex-environment
+```
+
+```
+wget https://md.margau.net/19IN-4Sem-SuSII-Zusammenfassung/download -O - | cat header.md - | sed -E -f test.sed | pandoc --filter pandoc-latex-environment --number-sections -i wilde_definitionen.md - -o main.pdf
+```
diff --git a/header.md b/header.md
index 0095456..e31f753 100644
--- a/header.md
+++ b/header.md
@@ -1,6 +1,10 @@
 ---
+documentclass: extarticle
+fontsize: 14pt
+geometry: margin=2cm
 header-includes: | 
-  \usepackage{tcolorbox}
+  \usepackage{trfsigns}
+  \usepackage[breakable]{tcolorbox}
   \newtcolorbox{info-box}{colback=cyan!5!white,arc=0pt,outer arc=0pt,colframe=cyan!60!black}
   \newtcolorbox{warning-box}{colback=orange!5!white,arc=0pt,outer arc=0pt,colframe=orange!80!black}
   \newtcolorbox{error-box}{colback=red!5!white,arc=0pt,outer arc=0pt,colframe=red!75!black}
@@ -8,7 +12,7 @@ pandoc-latex-environment:
   tcolorbox: [box]
   info-box: [info]
   warning-box: [warning]
-  error-box: [error]
+  error-box: [danger]
 classoption: svgnames
 ---
 
diff --git a/test.sed b/test.sed
index a81ada3..97565c9 100644
--- a/test.sed
+++ b/test.sed
@@ -19,5 +19,8 @@
         d;
     }
 }
-s/lightgreen/LightGreen/g;
+s/lightgreen/Lime/g;
+s/\{green/\{Green/g;
 s/:::/::: /g;
+s/\\circ \- \\bullet/\\;\\laplace\\;/g;
+s/\{align/\{align\*/g;