diff --git a/431-Electronique_transmission/Cours/main.tex b/431-Electronique_transmission/Cours/main.tex
index a39298b..28b8bd6 100644
--- a/431-Electronique_transmission/Cours/main.tex
+++ b/431-Electronique_transmission/Cours/main.tex
@@ -41,7 +41,7 @@
 
 \chapter{Modulation à porteuse sinuosïdale}
 \emph{Arnaud Bournel}
-\subfile{./modulation.tex}
+\subfile{./chap2.tex}
 
 
 \end{document}