diff --git a/pages/12.training-materials/chapter.md b/pages/12.training-materials/chapter.md
index 6e61c79..08cac74 100644
--- a/pages/12.training-materials/chapter.md
+++ b/pages/12.training-materials/chapter.md
@@ -3,4 +3,5 @@ title: 'Training Materials'
 ---
 
 1. [Basics of Distillation](./basics-of-distillation)
-2. [Beer](./beer)
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+2. [Beer](./beer)
+3. [Better Service = Better Tips](./better-service-better-tips)
\ No newline at end of file