diff --git a/main.tex b/main.tex
index f2bae47..9c0150c 100644
--- a/main.tex
+++ b/main.tex
@@ -49,7 +49,7 @@ code-for-last-col = \color{blue}
 
 \maketitle
 
-\section{Introduction & preliminaries}
+\section{Introduction \& preliminaries}
 
 \begin{frame}{Outline}
 	%Should we make an outline?