Fix cmd in Readme.md

README.md

@@ -27,9 +27,9 @@ To generate iso image
 
 gdb could be launch with debug symbols using :
 
- make debug
+ `make debug`
 
 Then you can check some matos specific commands or pretty printing with
 
- help user-defined
- info pretty-printer (Should contains matos_pretty_printers)
+ `help user-defined`
+ `info pretty-printer` (Should contains matos_pretty_printers)