diff --git a/book/exercises/001.md b/book/exercises/001.md
index e9fecb9..15e23e7 100644
--- a/book/exercises/001.md
+++ b/book/exercises/001.md
@@ -13,8 +13,7 @@ Can you add some content to the intro page?
 7. Go to {octicon}`play;1em` `Actions` - The most recent workflow run `Update intro.md / the commit messageof the commit you just made` - Wait for it to finish - In the summary, click on the link of your book shown in the table `Branches deployed` and under `Primary book at root`
 8. Do you see your change? If you don't see it click `CTRL`+`F5`/`Control`+`F5`to refresh the page (your browser keeps a cached version of website you recently visit, but we actually want the most up-to-date version!).
 
-```{admonition} Check your understanding
-:class: tip
+```{note} Check your understanding
 
 Before moving on to the next exercise, make sure you understand the following:
 1. Where are the contents of the book stored?
diff --git a/book/exercises/002.md b/book/exercises/002.md
index e080436..ea0d7ec 100644
--- a/book/exercises/002.md
+++ b/book/exercises/002.md
@@ -1,4 +1,4 @@
-# Exercise 1: Add a new file to the table of contents
+# Exercise 2: Add a new file to the table of contents
 
 Let's continue by adding one additional step. Let's add a file to the table of contents! the `_toc.yml` contains a list of all the files to be shown in your book-website. Let's create a new file and add it to that list!
 
@@ -28,7 +28,9 @@ Lorem ipsum dolor sit amet, consectetur adipiscing elit. Aenean id diam non maur
 :class: tip, dropdown
 Your `_toc.yml` should look like
 ```yml
-...
+format: jb-book
+root: intro.md
+
 parts:
   - caption: Contents
     chapters:
@@ -36,7 +38,18 @@ parts:
       sections:
       - file: some_content/text_and_code.ipynb
       - file: my_first_file.md
-...
+    - file: exercises/exercises
+      sections:
+      - file: exercises/001.md
+      - file: exercises/002.md
+      - file: exercises/003.md
+      - file: exercises/004.md
+      - file: exercises/005.md
+      - file: exercises/006.md
+      - file: exercises/007.md
+    - file: references.md
+    - file: changelog.md
+    - file: credits.md
 ```
 ````
 12. Click `Commit changes`
@@ -46,8 +59,7 @@ parts:
 16. Go to {octicon}`play;1em` `Actions` - The most recent workflow run `Update _toc.yml / the commit message of the commit you just made` - Wait for it to finish - In the summary, click on the link of your book shown in the table `Branches deployed` and under `Primary book at root` (getting bored of waiting, there'll be exercising on doing this locally which prevents you from waiting)
 17. Do you see your change? If you don't see it click `CTRL`+`F5`/`Control`+`F5`to refresh the page (your browser keeps a cached version of website you recently visit, but we actually want the most up-to-date version!).
 
-```{admonition} Check your understanding
-:class: tip
+```{note} Check your understanding
 
 Before moving on to the next exercise, make sure you understand the following:
 1. Are all files in the repository added to the website?