diff --git a/pages/12.training-materials/chapter.md b/pages/12.training-materials/chapter.md
index 45718fa..36c222b 100644
--- a/pages/12.training-materials/chapter.md
+++ b/pages/12.training-materials/chapter.md
@@ -9,4 +9,5 @@ title: 'Training Materials'
 5. [Cocktail Glossary](./cocktail-glossary)
 6. [Complaint Handling](./complaint-handling)
 7. [Dos and Don'ts](./dos-and-donts)
-8. [Grooming Standards](./grooming-standards)
\ No newline at end of file
+8. [Grooming Standards](./grooming-standards)
+9. [What Guests Dislike the Most](./what-guests-dislike-the-most)
\ No newline at end of file