diff --git a/Create-DevTerm-CM4-OS-image-from-scratch.md b/Create-DevTerm-CM4-OS-image-from-scratch.md
index ef6f02f..50f6af7 100644
--- a/Create-DevTerm-CM4-OS-image-from-scratch.md
+++ b/Create-DevTerm-CM4-OS-image-from-scratch.md
@@ -6,7 +6,7 @@ The entire operation requires a certain experience in linux
 be careful  
 
 ## Start a chroot env
-```
+```bash
 wget https://downloads.raspberrypi.org/raspios_full_armhf/images/raspios_full_armhf-2021-05-28/2021-05-07-raspios-buster-armhf-full.zip
 
 unzip 2021-05-07-raspios-buster-armhf-full.zip
@@ -25,7 +25,7 @@ sudo chroot .
 ```
 
 ## Inside chroot 
-```
+```bash
 curl https://raw.githubusercontent.com/clockworkpi/apt/main/debian/KEY.gpg | sudo tee /etc/apt/trusted.gpg.d/clockworkpi.asc
 
 echo "deb https://raw.githubusercontent.com/clockworkpi/apt/main/debian/ stable main" | sudo tee -a /etc/apt/sources.list.d/clockworkpi.list