diff --git a/chapters/en/chapter12/5.mdx b/chapters/en/chapter12/5.mdx
index a00b205cd..03e46e4e5 100644
--- a/chapters/en/chapter12/5.mdx
+++ b/chapters/en/chapter12/5.mdx
@@ -1,7 +1,7 @@
 <CourseFloatingBanner chapter={2}
   classNames="absolute z-10 right-0 top-0"
   notebooks={[
-    {label: "Google Colab", value: "https://colab.research.google.com/github/huggingface/notebooks/blob/main/course/en/chapter12/grpo_finetune.ipynb"},
+    {label: "Google Colab", value: "https://colab.research.google.com/github/huggingface/notebooks/blob/main/course/en/chapter13/grpo_finetune.ipynb"},
 ]} />
 
 # Practical Exercise: Fine-tune a model with GRPO