diff --git a/Writerside/gu.tree b/Writerside/gu.tree
index 321e5c7..589ca5d 100644
--- a/Writerside/gu.tree
+++ b/Writerside/gu.tree
@@ -17,6 +17,7 @@
         <toc-element topic="Emergency.md"/>
         <toc-element topic="Montage_Serge.md"/>
         <toc-element topic="Checklist.md"/>
+        <toc-element topic="Préparation.md"/>
     </toc-element>
     <toc-element topic="Pami.md">
         <toc-element topic="Montage.md"/>