diff --git a/hdr.tex b/hdr.tex
index 1e57a60..50b444a 100644
--- a/hdr.tex
+++ b/hdr.tex
@@ -8,7 +8,7 @@
 \documentclass[french,12pt,a4paper]{book}
 \usepackage[utf8]{inputenc}
 \usepackage[T1]{fontenc}
-\usepackage[french]{babel}
+\usepackage[english]{babel}
 \usepackage{amsmath}
 \usepackage{amsfonts}
 \usepackage{fancyhdr}