diff --git a/latex/chapters/en/02_literature_review/index.tex b/latex/chapters/en/02_literature_review/index.tex
index e87f8fe..f20bfbc 100644
--- a/latex/chapters/en/02_literature_review/index.tex
+++ b/latex/chapters/en/02_literature_review/index.tex
@@ -1,8 +1,8 @@
-\chapter{LITERATURE REVIEW AND THEORITICAL FOUNDATION}
+\chapter{LITERATURE REVIEW AND THEORETICAL FOUNDATION}
 \section{Literature Review}
 \input{chapters/id/02_literature_review/literature_review/abdeljaber2017}
 
-\section{Theoritical Foundation}
+\section{Theoretical Foundation}
 \input{chapters/id/02_literature_review/theoritical_foundation/stft}
 \input{chapters/id/02_literature_review/theoritical_foundation/machine_learning}