diff --git a/chap1.tex b/chap1.tex
index 083d265..91039c3 100644
--- a/chap1.tex
+++ b/chap1.tex
@@ -7,7 +7,7 @@ Published by The Association of Oppressed Ethnic Groups in Asia
 
 \clearpage
 
-\section{THE CHARACTER OF A REVOLUTIONARY}
+\section{The character of a revolutionary}
 
 To yourself
 \begin{itemize}
@@ -45,7 +45,7 @@ To your work
 \item Loyal to the organization
 \end{itemize}
 
-\section{THE PURPOSE OF THIS PAMPHLET}
+\section{The purpose of this pamphlet}
 
 1. Whatever you do, big or small, of any difficulty, if you don't work hard, you won't succeed. There is a Chinese proverb that says, \enquote{A lion catches a rabbit with all its might}. For the strength of a lion, even if it’s not hard to catch rabbits, you still have to use all your strength, let alone do such a great job as freeing the shackles of slavery for your fellow citizens, for humanity, if you don't try your best, how can you?
 
@@ -65,7 +65,7 @@ Hopefully this pamphlet will be read by compatriots, for the people that read it
 
 Every word and desire of this pamplet lies in only one word: Revolution! Revolution!! Revolution!!!
 
-\section{REVOLUTION}
+\section{Revolution}
 
 \subsection{What is revolution?}
 
diff --git a/chap2.tex b/chap2.tex
index b8246ff..5c4818f 100644
--- a/chap2.tex
+++ b/chap2.tex
@@ -1,4 +1,4 @@
-\section{HISTORY OF THE AMERICAN REVOLUTION}
+\section{History of the American revolution}
 
 \subsection{What is American history?}
 
@@ -40,7 +40,7 @@ That's because the American revolution is the capitalist revolution, but the cap
 
 If we must sacrifice for the revolution, we should do it until the end, that is, after the revolution, the power should be given to the masses, not in the hands of a few. Only then will the people be happy without sacrificing many times.
 
-\section{THE FRENCH REVOLUTION}
+\section{The French Revolution}
 
 \subsection{Why did France have a revolutionary movement? }
 
@@ -144,7 +144,7 @@ The French Revolution taught us:
 
 5. The French Revolution sacrificed many people without fear. If we want to stage a Revolution, we shouldn't be afraid to make sacrifices.
 
-\section{HISTORY OF RUSSIA REVOLUTION}
+\section{History of the Russian revolution}
 
 \subsection{Where did the Russian Revolution come from?}
 
diff --git a/chap3.tex b/chap3.tex
index 780ed9b..9f51c9d 100644
--- a/chap3.tex
+++ b/chap3.tex
@@ -1,4 +1,4 @@
-\section{INTERNATIONALISM}
+\section{Internationalism}
 
 \subsection{What is Internationalism?}
 
diff --git a/chap4.tex b/chap4.tex
index 3b3799c..36dfb61 100644
--- a/chap4.tex
+++ b/chap4.tex
@@ -1,4 +1,4 @@
-\section{COMMUNIST WOMEN'S INTERNATIONAL}
+\section{Communist Women's International}
 
 \subsection{Why was Communist Women's International founded?}
 
@@ -32,7 +32,7 @@ In short, the rules are very strict, the actions are united, and the work is als
 The An Nam revolution must also have the participation of women to succeed, and any Annam woman who wants revolution must follow the guidance of Communist Women's International.
 
 
-\subsection{RED INTERNATIONAL OF LABOR UNIONS}
+\section{Red International of Labor Unions}
 
 \subsection{What is the history of International Worker Labor Unions?}
 
@@ -141,7 +141,7 @@ In China, Shanghai workers went on strike for more than three months, Hong Kong
 If the Annamese workers knew how to organize, the Red International would wholeheartedly help in staging the revolution. But if you want people to help you, you have to help yourself first.
 
 
-\subsection{YOUNG COMMUNIST INTERNATIONAL}
+\section{Young Communist International}
 
 \subsection{What is Young Communist International?}
 
@@ -201,7 +201,7 @@ Today, every country has communist youth organs.
 But not Annam!
 
 
-\subsection{WORKERS INTERNATIONAL RELIEF}
+\section{Workers International Relief}
 
 \subsection{What is the Workers International Relief?}
 
diff --git a/chap6.tex b/chap6.tex
index dec5200..0ee1541 100644
--- a/chap6.tex
+++ b/chap6.tex
@@ -1,4 +1,4 @@
-\section{HOW TO ORGANIZE LABOR UNIONS}
+\section{How to organize labor unions}
 
 \subsection{What does a labor union do?}
 
@@ -150,7 +150,7 @@ When it's newly built or where there are few workers, strategies must be quickly
 In general, the organization of the organizations must be unified, secretive, and strict, in order for the union to be stable.
 
 
-\section{ORGANIZATION OF PEASANTS}
+\section{Organization of peasants}
 
 \subsection{Why organize peasants?}
 
@@ -272,7 +272,7 @@ The French is able to oppress us because we do not love each other, because we a
 
 
 
-\section{COOPERATIVE}
+\section{Cooperative}
 
 \subsection{History}