diff --git a/book/exercises/002.md b/book/exercises/002.md
index 019ff30..42d7d50 100644
--- a/book/exercises/002.md
+++ b/book/exercises/002.md
@@ -50,4 +50,5 @@ Before moving on to the next exercise, make sure you understand the following:
 - What is the purpose of the `_toc.yml` file?
 - What happens if a file is not listed in the `_toc.yml`?
 - How can you verify that your changes to `_toc.yml` were successful?
+- Does the structure of the `_toc.yml` file need to match the directory structure of the repository?
 ```
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