diff --git a/week10/index.qmd b/week10/index.qmd
index e2cdfb7..c920d80 100644
--- a/week10/index.qmd
+++ b/week10/index.qmd
@@ -19,7 +19,7 @@ Read [Chapter 7 of the textbook](https://otexts.com/fpp3/regression.html) and wa
 
 ## Exercises (on your own or in tutorial)
 
-Complete Exercises 11-17 from [Section 9.11 of the book](https://otexts.com/fpp3/??-exercises.html).
+Complete Exercises 11-17 from [Section 9.11 of the book](https://otexts.com/fpp3/arima-exercises.html).
 
 ```{r}
 #| output: asis