diff --git a/README.md b/README.md
index c8a05b9..0602705 100644
--- a/README.md
+++ b/README.md
@@ -1,34 +1,34 @@
 # os
 
-Cadoles Kubernetes Operating System
-
+Cadoles Kubernetes Operating System
+
 a.k.a. CadolesKube/os
 
-Creating a build server for AlpineLinux
+##Creating a build server for AlpineLinux
 
 On Alpine server run : at-begining.sh to install necessary tools.
 
-Change to the build user :
+##Change to the build user :
 
-su - build
+```su - build```
 
-Create signing key:
+##Create signing key:
 
-abuild-keygen -i -a (-i installs them in /etc/apk/keys)
+```abuild-keygen -i -a (-i installs them in /etc/apk/keys)```
 
-Quick check : 
+##Quick check : 
 
-ls -lah /etc/apk/keys/build-xxxxxxxx.rsa.pub
+```ls -lah /etc/apk/keys/build-xxxxxxxx.rsa.pub```
 
-Clone the git repository : 
+##Clone the git repository : 
 
-git clone --depth=1 https://gitlab.alpinelinux.org/alpine/aports.git
+```git clone --depth=1 https://gitlab.alpinelinux.org/alpine/aports.git```
 
-Update : 
+##Update : 
 
-sudo apk update
+```sudo apk updat```
 
-Copy script create-iso.sh in /home/build
+Copy script 'create-iso.sh' in '/home/build'
 
 You must enter a profile name to launch the creation of the iso. The iso is built with Edge sources to have Kubernetes tools. 
 For example ./create-iso.sh myKube.