diff --git a/book.toml b/book.toml
index 1a3585cad02919627894c7bc3be7aed08dadf348..ebbf5de0b479c6fc334f185698ef25167e0afa7d 100644
--- a/book.toml
+++ b/book.toml
@@ -3,3 +3,5 @@ authors = ["Henrik Tjäder", "Joakim Lundberg"]
 multilingual = false
 src = "src"
 title = "XP-el MPPK"
+
+[output.linkcheck]
diff --git a/src/ch1_00_introduction.md b/src/ch1_00_introduction.md
index 25007c16f61b8f442ca30ee49205aa5f25cb1917..e5527307a6e739b41df5e913fa17ef3dc1bfba29 100644
--- a/src/ch1_00_introduction.md
+++ b/src/ch1_00_introduction.md
@@ -9,8 +9,8 @@ Use-cases ranges from heavy industry to tiny sensors in your everyday life.
 
 
 ## Requirements
-1. Laptop
-2. [Installation](../Installation.md)
+1. Computer
+2. [Installation](ch2_00_installation.md)
 
 # Overview
 ![Embedded workflow](images/workflow_chart.png "Flowchart")
@@ -23,17 +23,19 @@ While your laptop/stationary computer most likely runs some `x86_64` CPU archite
 odds are your mobile phone is powered by an ARM processor.
 The ARM family of Reduced Instruction Set Computing (RISC) architectures is one of the most prevalent processor architectures.
 
-For more information: https://en.wikipedia.org/wiki/ARM_architecture
+For more information: [](https://en.wikipedia.org/wiki/ARM_architecture)
 
 ## Registers, IO
 
 A typical way to access and interface with the hardware connected to your microcontroller is by accessing various registers, which is memory regions mapped to some hardware.
 
-## Features
+## Common Features
+
+To name a few...
 
 //// TODO ////
 
-Feels weird. Move out to excercises and explain there I guess... and mayby not all of them.
+Feels weird. Move out to exercises and explain there I guess... and maybe not all of them.
 
 ### System
 
@@ -59,7 +61,7 @@ Feels weird. Move out to excercises and explain there I guess... and mayby not a
 
 ##### USART (Universal Synchronous and Asynchronous Receiver-Transmitter)
 
-##### I2C (Inter-Intergrated Circuit)
+##### I2C (Inter-Integrated Circuit)
 
 ##### SPI (Serial Peripheral Interface)
 
@@ -159,7 +161,7 @@ The package manager for Rust
 
 Taking care of dependencies, compilation and many other things.
 
-For more information: https://doc.rust-lang.org/cargo/
+For more information: [](https://doc.rust-lang.org/cargo/)
 
 #### Cargo-binutils
 
diff --git a/images/workflow_chart.png b/src/images/workflow_chart.png
similarity index 100%
rename from images/workflow_chart.png
rename to src/images/workflow_chart.png