diff --git a/README.md b/README.md
index 208a5bd..a9cb8c8 100644
--- a/README.md
+++ b/README.md
@@ -20,11 +20,11 @@ They can be viewed in a web browser
[](https://mybinder.org/v2/gh/webartifex/intro-to-python/develop?urlpath=lab/tree/chapter_00_intro/00_content.ipynb)
[](https://www.youtube.com/watch?v=YTU8jaG27Xk&list=PL-2JV1G3J10lQ2xokyQowcRJI5jjNfW7f)
|
- [review ](https://nbviewer.jupyter.org/github/webartifex/intro-to-python/blob/develop/chapter_00_intro/01_review.ipynb)
- [](https://mybinder.org/v2/gh/webartifex/intro-to-python/develop?urlpath=lab/tree/chapter_00_intro/01_review.ipynb)
+ [exercises ](https://nbviewer.jupyter.org/github/webartifex/intro-to-python/blob/develop/chapter_00_intro/01_exercises.ipynb)
+ [](https://mybinder.org/v2/gh/webartifex/intro-to-python/develop?urlpath=lab/tree/chapter_00_intro/01_exercises.ipynb)
|
- [exercises ](https://nbviewer.jupyter.org/github/webartifex/intro-to-python/blob/develop/chapter_00_intro/02_exercises.ipynb)
- [](https://mybinder.org/v2/gh/webartifex/intro-to-python/develop?urlpath=lab/tree/chapter_00_intro/02_exercises.ipynb)
+ [review ](https://nbviewer.jupyter.org/github/webartifex/intro-to-python/blob/develop/chapter_00_intro/02_review.ipynb)
+ [](https://mybinder.org/v2/gh/webartifex/intro-to-python/develop?urlpath=lab/tree/chapter_00_intro/02_review.ipynb)
)
diff --git a/chapter_00_intro/02_exercises.ipynb b/chapter_00_intro/01_exercises.ipynb
similarity index 100%
rename from chapter_00_intro/02_exercises.ipynb
rename to chapter_00_intro/01_exercises.ipynb
diff --git a/chapter_00_intro/01_review.ipynb b/chapter_00_intro/02_review.ipynb
similarity index 100%
rename from chapter_00_intro/01_review.ipynb
rename to chapter_00_intro/02_review.ipynb