diff --git a/455-Codage_Sources/Cours/chapA.tex b/455-Codage_Sources/Cours/chapA.tex
index 749348a..62c3387 100644
--- a/455-Codage_Sources/Cours/chapA.tex
+++ b/455-Codage_Sources/Cours/chapA.tex
@@ -1,10 +1,10 @@
 \documentclass[main.tex]{subfiles}
 \begin{document}
 \section{Codage d'Huffman}
-\subsection{version objet}
+\subsection{version simple}
 
 \inputminted{python}{../algo_code/huffman.py}
-\subsection{version simple}
+\subsection{version objet}
 
 \inputminted{python}{../algo_code/huffman2.py}
 \section{Codage arithétique}