diff --git a/ctufit-thesis.cls b/ctufit-thesis.cls
index 00dd917c1462ca02179c33d94fb170efddb7ff31..38b3be086ccc906ba6e141c03623791954e4da3d 100644
--- a/ctufit-thesis.cls
+++ b/ctufit-thesis.cls
@@ -51,11 +51,11 @@
 	\PassOptionsToPackage{english,main=slovak}{babel}
 	\def\@ctufitlang{S}
 }
-\ExecuteOptions{unicode,twoside}
-\ProcessOptions
+\DeclareOption*{\PassOptionsToClass{\CurrentOption}{book}}
+\ExecuteOptions{unicode}
+\ProcessOptions\relax
 
 % main declarations, loading files
-
 \LoadClass[a4paper]{book}[2020/04/10]
 \RequirePackage{babel}[2021/03/03]
 \RequirePackage[bottom=4cm,footskip=4em]{geometry}[2020/01/02] %page layout
@@ -67,19 +67,19 @@
 \RequirePackage{titlesec}[2019/10/16]
 
 \ifdefined\@ctufitthesisblackandwhite
-\definecolor{decoration}{RGB}{0, 0, 0} %CTU blue
-\definecolor{heading}{RGB}{0, 0, 0}
-\definecolor{headbackgroundgray}{RGB}{208, 208, 208} %light blue
-\definecolor{backgroundgray}{RGB}{240, 240, 240} %CTU light blue
-\definecolor{headgray}{rgb}{0.50,0.50,0.50}
-\definecolor{enumgray}{RGB}{0, 0, 0} %CTU blue
+	\definecolor{decoration}{RGB}{0, 0, 0} %CTU blue
+	\definecolor{heading}{RGB}{0, 0, 0}
+	\definecolor{headbackgroundgray}{RGB}{208, 208, 208} %light blue
+	\definecolor{backgroundgray}{RGB}{240, 240, 240} %CTU light blue
+	\definecolor{headgray}{rgb}{0.50,0.50,0.50}
+	\definecolor{enumgray}{RGB}{0, 0, 0} %CTU blue
 \else
- \definecolor{decoration}{RGB}{0, 122, 195} %CTU blue
- \definecolor{heading}{RGB}{0, 122, 195}
- \definecolor{headbackgroundgray}{RGB}{199, 219, 241} %light blue
- \definecolor{backgroundgray}{RGB}{199, 219, 241} %CTU light blue
- \definecolor{headgray}{rgb}{0.50,0.50,0.51}
- \definecolor{enumgray}{RGB}{0, 122, 195} %CTU blue
+	\definecolor{decoration}{RGB}{0, 122, 195} %CTU blue
+	\definecolor{heading}{RGB}{0, 122, 195}
+	\definecolor{headbackgroundgray}{RGB}{199, 219, 241} %light blue
+	\definecolor{backgroundgray}{RGB}{199, 219, 241} %CTU light blue
+	\definecolor{headgray}{rgb}{0.50,0.50,0.51}
+	\definecolor{enumgray}{RGB}{0, 122, 195} %CTU blue
 \fi
 % colors end
 
diff --git a/ctufit-thesis.tex b/ctufit-thesis.tex
index ffbca40b899f49ac04b7a9bd833bd6b271086d09..7f39045ad154dbda64ae812492b5fcfde4752ff8 100644
--- a/ctufit-thesis.tex
+++ b/ctufit-thesis.tex
@@ -24,13 +24,19 @@
 %%
 %%
 
+% arara: pdflatex
+% arara: biber
+% arara: pdflatex
+% arara: pdflatex
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % CLASS OPTIONS
 % language: czech/english/slovak
 % thesis type: bachelor/master/dissertation
 % colour: bw for black&white OR no option for default colour scheme
+% electronic or printed: oneside/twoside (default)
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\documentclass[czech,bachelor,unicode]{ctufit-thesis}
+\documentclass[czech,bachelor,unicode,oneside]{ctufit-thesis}
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % FILL IN THIS INFORMATION
@@ -176,27 +182,27 @@ Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Curabitur sagittis hen
 % OR REMOVE ENTIRELY (upon agreement with your supervisor)
 % (appropriate to remove in most theses)
 %%%%%%%%%%%%%%%%%%%
-\begin{summarypage}
-\section*{Summary section}
-
-\lipsum[1][1-8]
-
-\section*{Summary section}
-
-\lipsum[2][1-6]
-
-\section*{Summary section}
-
-\lipsum[3]
-
-\section*{Summary section}
-
-\lipsum[2]
-
-\section*{Summary section}
-
-\lipsum[1][1-8] Lorem lorem lorem.
-\end{summarypage}
+% \begin{summarypage}
+% \section*{Summary section}
+% 
+% \lipsum[1][1-8]
+% 
+% \section*{Summary section}
+% 
+% \lipsum[2][1-6]
+% 
+% \section*{Summary section}
+% 
+% \lipsum[3]
+% 
+% \section*{Summary section}
+% 
+% \lipsum[2]
+% 
+% \section*{Summary section}
+% 
+% \lipsum[1][1-8] Lorem lorem lorem.
+% \end{summarypage}
 %%%%%%%%%%%%%%%%%%%
 % SUMMARY END
 %%%%%%%%%%%%%%%%%%%
diff --git a/text/medium.tex b/text/medium.tex
index 7416a4fad46e18601362f925b915b3489cfe0a5e..4b5583952e285a9089b8191823d3170e5e4542d5 100644
--- a/text/medium.tex
+++ b/text/medium.tex
@@ -1,5 +1,5 @@
-\chapter{Obsah přiloženého média}
-
+\chapter{Obsah elektronické přílohy}
+% Concents of the attachment
 
 	\dirtree{%
 		.1 readme.txt\DTcomment{stručný popis obsahu média}.
diff --git a/text/text.tex b/text/text.tex
index 2681ae3c17f859a2f14f8cdaaa411dbe635039bb..c296f66374181f3315f1ea3f40ae847a2119969b 100644
--- a/text/text.tex
+++ b/text/text.tex
@@ -251,9 +251,9 @@ Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos
 
 \lipsum[1-2]
 
-\subsection{Class aptent taciti sociosqu}
-
-\lipsum[4-5]
+% \subsection{Class aptent taciti sociosqu}
+% 
+% \lipsum[4-5]
 
 %---------------------------------------------------------------
 \chapter{Lorem ipsum}