diff --git a/content/maths.tex b/content/maths.tex
index 10638c1..24edb3a 100644
--- a/content/maths.tex
+++ b/content/maths.tex
@@ -1,4 +1,4 @@
-\chapter{Mathematical Formulas}
+\chapter{Mathematical formulas}
 \label{sec:maths}
 
 Mathematical formulas are always set in \emph{math mode}, which, within a paragraph (referred to as \emph{inline}), can be turned on or off with a dollar sign.