diff --git a/cnam/travaux/blanc/images/doc.png b/cnam/travaux/blanc/images/doc.png
new file mode 100644
index 0000000..3044e06
Binary files /dev/null and b/cnam/travaux/blanc/images/doc.png differ
diff --git a/cnam/travaux/blanc/images/doc.svg b/cnam/travaux/blanc/images/doc.svg
new file mode 100644
index 0000000..3894f4f
--- /dev/null
+++ b/cnam/travaux/blanc/images/doc.svg
@@ -0,0 +1,61 @@
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diff --git a/cnam/travaux/blanc/présentation/indépendance.tex b/cnam/travaux/blanc/présentation/indépendance.tex
index 8066207..e944526 100644
--- a/cnam/travaux/blanc/présentation/indépendance.tex
+++ b/cnam/travaux/blanc/présentation/indépendance.tex
@@ -17,7 +17,7 @@
     \end{itemize}
 \item<18-> Formats de fichiers\begin{itemize}
     \item<19-> documentation
-    \item<20-> type
+    \item<22-> type
     \end{itemize}
 \end{itemize}
 \end{column}\begin{column}{.5\textwidth}
@@ -70,18 +70,19 @@
 
 \only<18>{\imgbig{formats}}
 
-\only<19>{\begin{itemize}
-\item fermé
-\item obfusqué
-\item ouvert
+\only<19-21>{\begin{itemize}
+\item<19-> fermé
+\item<20-> obfusqué
+\item<21-> ouvert
 \end{itemize}}
+\only<19-21>{\imgico{7}{doc}}
 
-\only<20-21>{\begin{itemize}
-\item<20-> binaire
-\item<21-> textuel
+\only<22-23>{\begin{itemize}
+\item<22-> binaire
+\item<23-> textuel
 \end{itemize}\vspace{.5em}}
-\only<20>{\imgico{7}{binary}}
-\only<21>{\imgico{7}{text}}
+\only<22>{\imgico{7}{binary}}
+\only<23>{\imgico{7}{text}}
 
 \end{column}\end{columns}
 \end{frame}