diff --git a/book/intro/book.md b/book/intro/book.md
index 50090a6..fcc2754 100644
--- a/book/intro/book.md
+++ b/book/intro/book.md
@@ -18,9 +18,9 @@ Never seen a TeachBook before? Here's a small demo of our MUDE-book!
 So what are you looking at? It's a website generated with the [Jupyter Book package](https://jupyterbook.org/). Various extensions have been added to improve the student-experience, especially for technical topics!
 
 The source files of this book consists of three parts:
-1. A configuration file, `_config.yml`
-2. A table of contents file, `_toc.yml`
-3. Content for your book! Text-based files.
+1. A configuration file to define functionalities, `_config.yml`
+2. A table of contents file to list which files should endup in the book, `_toc.yml`
+3. Content for your book! Text-based files which allows you to embed figures, videos, math and interactive elements.
 
 ```{admonition} Text-based files? yml? What is that?!
 :class: tip, dropdown
@@ -34,12 +34,6 @@ YAML (or YML) is a text-based file format that is primarily used to store data.
 
 A book is made by by writing content in text-based files such as Markdown (`*.md`), Jupyter Notebooks (`*.ipynb`), etc. After that, software is used to "parse" these files and create the final book (e.g., Jupyter Book)
 
-
-A hint of the key tools
-- Python
-- Git and GitHub
-- A web browser
-
 ```{admonition} Comparing and Contrasting to LaTeX
 
 Have you ever used LaTeX? It turns out there are a lot of similarities with this document system. Here is a quick list:
@@ -49,5 +43,4 @@ Have you ever used LaTeX? It turns out there are a lot of similarities with this
 4. Sometimes you can spend more time than you like troubleshooting "bugs" that turn out to be simple syntax errors.
 ``` 
 
-
-the rest is just 
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+Let's see how these books are made!
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