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diff --git a/excalidraw/decentralise.png b/excalidraw/decentralise.png
new file mode 100644
index 0000000000000000000000000000000000000000..747b9bdc9accc113af0e7e7cdb65d9f06da099c3
Binary files /dev/null and b/excalidraw/decentralise.png differ
diff --git a/intro.tex b/intro.tex
index 2b72bc8db09cd3303a8186c9f1e7239f33d65fa2..03843e300065cda05edf49cbe56159032f63305f 100644
--- a/intro.tex
+++ b/intro.tex
@@ -73,14 +73,14 @@
\frame{\frametitle{Systèmes de gestion de versions
centralisés}\framesubtitle{Les CVCS}
\begin{center}
- \includegraphics[height=2.5cm]{centralise.eps}
+ \includegraphics[height=3cm]{centralise.png}
\end{center}
\begin{itemize}
\item
Le serveur détient tout l'historique du projet
\item
Les utilisateurs possèdent seulement une copie des fichiers
- correspondant au code
+ correspondant à la dernière version du code
\item
Toutes les opérations sont réalisées par l'intermédiaire du
serveur (\emph{i.e. online})
@@ -95,7 +95,7 @@
\frame{\frametitle{Systèmes de gestion de versions
décentralisés}\framesubtitle{Les DVCS}
\begin{center}
- \includegraphics[height=2.5cm]{distribue.eps}
+ \includegraphics[height=2.8cm]{decentralise.png}
\end{center}
\begin{itemize}
\item