diff --git a/chapters/01_introduction.tex b/chapters/01_introduction.tex
index e1504d9..a5212d9 100644
--- a/chapters/01_introduction.tex
+++ b/chapters/01_introduction.tex
@@ -1,3 +1,5 @@
+%!TEX root = ../main.tex
+% Add the above root in every chapter added for compiling the tex file easily.
 \chapter{Introduction}\label{chapter:introduction}
 
 \section{Section}
diff --git a/main.tex b/main.tex
index 3cc39de..b462ef7 100644
--- a/main.tex
+++ b/main.tex
@@ -14,6 +14,8 @@
 
 \begin{document}
 
+%https://en.wikibooks.org/wiki/LaTeX/Hyperlinks#Problems_with_Links_and_Pages
+\pagenumbering{alph}
 \input{pages/cover}
 
 \frontmatter{}