diff --git a/cnam/travaux/blanc/images/hashcheck.png b/cnam/travaux/blanc/images/hashcheck.png
new file mode 100644
index 0000000..6774b26
Binary files /dev/null and b/cnam/travaux/blanc/images/hashcheck.png differ
diff --git a/cnam/travaux/blanc/présentation/rationalisation.tex b/cnam/travaux/blanc/présentation/rationalisation.tex
index 22ce019..52c7b6b 100644
--- a/cnam/travaux/blanc/présentation/rationalisation.tex
+++ b/cnam/travaux/blanc/présentation/rationalisation.tex
@@ -34,11 +34,12 @@
 \only<3>{\imgico{7}{fossil}}
 
 \only<5>{\imgbig{commit}}
+\only<6>{\imgbig{hashcheck}}
 
 \only<8>{\imgbig{restore}}
 \only<9>{\imgbig{team}}
 
-\only<11>{\imgbig{build}}
+\only<11>{\imgico{9}{build}}
 \only<12>{\imgbig{extract}}
 \only<13>{\imgbig{convert}}
 \only<14>{\imgbig{compile}}