diff --git a/431-Electronique_transmission/Cours/main.tex b/431-Electronique_transmission/Cours/main.tex
index ad86c36..2d4efe4 100644
--- a/431-Electronique_transmission/Cours/main.tex
+++ b/431-Electronique_transmission/Cours/main.tex
@@ -20,3 +20,8 @@
 
 
 \end{document}
+
+%%% Local Variables:
+%%% mode: latex
+%%% TeX-master: t
+%%% End: