RTFM -> RTIC rename

src/ch1_00_introduction.md

@@ -22,8 +22,8 @@ Beginner friendly " introductory course on microcontroller-based embedded system
 [Rust-Embedded book](https://rust-embedded.github.io/book/)
 contains thorough instructions for getting going with embedded.
 
-[RTFM Book](https://rtfm.rs/) contains examples and usage for the
-Rust implementation of the RTFM framework.
+[RTIC Book](https://rtic.rs/) contains examples and usage for the
+Rust implementation of the RTIC framework.
 
 ## Overview
 

src/ch2_03_testing_toolchain.md

@@ -57,11 +57,11 @@ Info : Listening on port 3333 for gdb connections
 
 ## Software
 
-Fetch the following project [https://gitlab.henriktjader.com/pln/stm32-rtfm5/tree/rtfm_start](https://gitlab.henriktjader.com/pln/stm32-rtfm5/tree/rtfm_start) 
-and switch to the `rtfm_start` branch.
+Fetch the following project [https://gitlab.henriktjader.com/pln/stm32-rtic5/tree/rtic_start](https://gitlab.henriktjader.com/pln/stm32-rtic5/tree/rtic_start) 
+and switch to the `rtic_start` branch.
 ```
-git clone https://gitlab.henriktjader.com/pln/stm32-rtfm5.git
-git checkout rtfm_start
+git clone https://gitlab.henriktjader.com/pln/stm32-rtic5.git
+git checkout rtic_start
 ```
 
 You can run the cargo test inside the firmware directory: