diff --git a/book/SUMMARY.md b/book/SUMMARY.md
index 922f303..915cb6d 100644
--- a/book/SUMMARY.md
+++ b/book/SUMMARY.md
@@ -1,8 +1,11 @@
 # Summary
 
 * [Introduction](README.md)
-  * [Avant-propos](intro/step-01-prerequisites.md)
-  * [Une application Django](intro/step-02-create-django-app.md)
-  * [Avant d'aller plus loin](intro/step-03-before-going-further.md)
+  * [Avant-propos](intro-01-prerequisites.md)
+  * [Une application Django](intro-02-create-django-app.md)
+  * [Avant d'aller plus loin](intro-03-before-going-further.md)
 * [Gwift](gwift/specs.md)
-  * [Modèle](gwift/models.md)
+  * [Modèle](gwift/01-models.md)
+  * [Vues](gwift/02-views.md)
+  * [URLs](gwift/03-urls.md)
+  * [Forms](gwift/05-forms.md)
diff --git a/book/step-01-prerequisites.md b/book/intro-01-prerequisites.md
similarity index 100%
rename from book/step-01-prerequisites.md
rename to book/intro-01-prerequisites.md
diff --git a/book/step-02-create-django-app.md b/book/intro-02-create-django-app.md
similarity index 100%
rename from book/step-02-create-django-app.md
rename to book/intro-02-create-django-app.md
diff --git a/book/step-03-before-going-further.md b/book/intro-03-before-going-further.md
similarity index 100%
rename from book/step-03-before-going-further.md
rename to book/intro-03-before-going-further.md