diff --git a/header.tex b/header.tex
index f184f91..201f295 100644
--- a/header.tex
+++ b/header.tex
@@ -26,6 +26,7 @@
 %%%%% index %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \usepackage[makeindex]{splitidx}
 \makeindex
+\usepackage[totoc]{idxlayout}
 \newindex[Fachbegriffe]{term}
 \newindex[Englische Fachbegriffe]{enterm}
 \newindex[MATLAB Code]{code}
diff --git a/scientificcomputing-script.tex b/scientificcomputing-script.tex
index 4a4ce18..f75b39d 100644
--- a/scientificcomputing-script.tex
+++ b/scientificcomputing-script.tex
@@ -12,12 +12,17 @@
 \maketitle
 \hypersetup{pageanchor=true}
 
+\frontmatter
+
 \tableofcontents
 \listoffigures
 \lstlistoflistings
 \listofexercisefs
 \listofiboxfs
 
+
+\mainmatter
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \part{Grundlagen des Programmierens}
 
@@ -68,11 +73,14 @@
 
 %\chapter{Cheat-Sheet}
 
-\addcontentsline{toc}{chapter}{Fachbegriffe}
+\backmatter
+
+%%%% indices: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \printindex[term]
-\addcontentsline{toc}{chapter}{Englische Fachbegriffe}
+
 \printindex[enterm]
-\addcontentsline{toc}{chapter}{MATLAB Code}
+
+%\setindexprenote{Some explanations.}
 \printindex[code]
 
 \end{document}