diff --git a/install/usr/share/swarmlab.io/sec/docs/Chapters/Chapter1.tex b/install/usr/share/swarmlab.io/sec/docs/Chapters/Chapter1.tex
index 2d6b249..09568e7 100755
--- a/install/usr/share/swarmlab.io/sec/docs/Chapters/Chapter1.tex
+++ b/install/usr/share/swarmlab.io/sec/docs/Chapters/Chapter1.tex
@@ -106,8 +106,11 @@ This template comes as a single zip file that expands out to several files and f
 \keyword{Chapters} -- this is the folder where you put the thesis chapters. A thesis usually has about six chapters, though there is no hard rule on this. Each chapter should go in its own separate \file{.tex} file and they can be split as:
 \begin{itemize}
 \item Chapter 1: Introduction to the thesis topic
+	\SubItem{test SubItem}
 \item Chapter 2: Background information and theory
+	\SubItem{test SubItem}
 \item Chapter 3: (Laboratory) experimental setup
+	\SubItem{test SubItem}
 \item Chapter 4: Details of experiment 1
 \item Chapter 5: Details of experiment 2
 \item Chapter 6: Discussion of the experimental results
diff --git a/install/usr/share/swarmlab.io/sec/docs/main.tex b/install/usr/share/swarmlab.io/sec/docs/main.tex
index 2a44f06..780085d 100644
--- a/install/usr/share/swarmlab.io/sec/docs/main.tex
+++ b/install/usr/share/swarmlab.io/sec/docs/main.tex
@@ -70,7 +70,8 @@ headsepline, % Uncomment to get a line under the header
 
 
 
-\usepackage[backend=bibtex,style=authoryear,natbib=true]{biblatex} % Use the bibtex backend with the authoryear citation style (which resembles APA)
+%\usepackage[backend=bibtex,style=authoryear,natbib=true]{biblatex} % Use the bibtex backend with the authoryear citation style (which resembles APA)
+\usepackage[backend=biber,style=authoryear,natbib=true]{biblatex} % Use the bibtex backend with the authoryear citation style (which resembles APA)
 
 \addbibresource{example.bib} % The filename of the bibliography
 
@@ -114,6 +115,11 @@ headsepline, % Uncomment to get a line under the header
 \hypersetup{pdfkeywords=\keywordnames} % Set the PDF's keywords to your keywords
 }
 
+
+\newcommand{\SubItem}[1]{
+    {\setlength\itemindent{15pt} \item[-] #1}
+}
+
 \begin{document}
 \setlanguage{monogreek}