diff --git a/index.md b/index.md
index 88b02018b7530f9e27447722cc1764aeb8a1085a..d3fa1fc4195d6d19ab690d3754059ae77828121e 100644
--- a/index.md
+++ b/index.md
@@ -24,6 +24,7 @@ sansfont: Sans Serif
 - [7.1 Génériques](generics.html).
 - [7.2 Traits](traits.html).
 - [8.1 Tests](tests.html).
-- [8.2 Collections: String, Vector, HashMap](collections.html).
-- [8.3 Itérateurs](iterators.html).
+- [8.2 Vecteurs](vec.html).
+- [9.1 Collections: String, HashMap](collections.html).
+- [9.2 Itérateurs](iterators.html).
 - [10.1 Lifetimes](lifetimes.html).