diff --git a/book/src/SUMMARY.md b/book/src/SUMMARY.md
index b3e92af..15b5930 100644
--- a/book/src/SUMMARY.md
+++ b/book/src/SUMMARY.md
@@ -34,15 +34,16 @@
   - [Orphan rule](04_traits/02_orphan_rule.md)
   - [Operator overloading](04_traits/03_operator_overloading.md)
   - [Derive macros](04_traits/04_derive.md)
-  - [String slices](04_traits/05_str_slice.md)
-  - [`Deref` trait](04_traits/06_deref.md)
-  - [`Sized` trait](04_traits/07_sized.md)
-  - [`From` trait](04_traits/08_from.md)
-  - [Associated vs generic types](04_traits/09_assoc_vs_generic.md)
-  - [`Clone` trait](04_traits/10_clone.md)
-  - [`Copy` trait](04_traits/11_copy.md)
-  - [`Drop` trait](04_traits/12_drop.md)
-  - [Outro](04_traits/13_outro.md)
+  - [Trait bounds](04_traits/05_trait_bounds.md)
+  - [String slices](04_traits/06_str_slice.md)
+  - [`Deref` trait](04_traits/07_deref.md)
+  - [`Sized` trait](04_traits/08_sized.md)
+  - [`From` trait](04_traits/09_from.md)
+  - [Associated vs generic types](04_traits/10_assoc_vs_generic.md)
+  - [`Clone` trait](04_traits/11_clone.md)
+  - [`Copy` trait](04_traits/12_copy.md)
+  - [`Drop` trait](04_traits/13_drop.md)
+  - [Outro](04_traits/14_outro.md)
 
 - [Ticket v2](05_ticket_v2/00_intro.md)
   - [Enums](05_ticket_v2/01_enum.md)