improved README format

README.md

@@ -11,35 +11,38 @@ By default, raou looks in  /etc/raou.d/ for config files. If you run
 "raou backup", it will look for /etc/raou.d/backup.
 
 Example config file:
-
+```
 user john
 target_user root
 path /usr/local/bin/script.sh
+```
 
+**user** is the name of the user who you want to give permissions to 
+execute **path** as the **target_user**.  
 
-*user* is the name of the user who you want to give permissions to 
-execute *path* as the *target_user*.  
-
-*path* must contain the absolute path. 
+**path** must contain the absolute path. 
 
 Optional fields
 ---------------
-*args*: If you want to leave out optional arguments (argv) to *path*, 
+**args**: If you want to leave out optional arguments (argv) to *path*, 
 simply don't  include this. Otherwise, simply specify them
+```
+...
 args -v -ltr 
-
-*allow_args*: Allow arbitrary arguments, so:
+```
+**allow_args**: Allow arbitrary arguments, so:
+```
 raou backup /path
+```
 
-Will launch "path" as specified in the file for the backup entry, but 
-with "/path" as argv[1] instead of the arguments specified with "args".
+Will launch "path" as specified in the file for the backup entry with "/path" as argv[1] instead of the argument specified with "args" in the config file.
 
-*no_new_privs*: Defaults to 1. Processes launched with this option active
+**no_new_privs**: Defaults to 1. Processes launched with this option active
 won't be able to gain more privileges, even when they call setuid programs.
 
-*env_vars*: A comma-separated list of environment variables to inherit
+**env_vars**: A comma-separated list of environment variables to inherit
 from the current environment. Everything else will be wiped (but others
 like HOME, SHELL etc. will be appropriately set). 
 
-*argv0*: Set this option if you want to provide your own value as "argv0"
+**argv0**: Set this option if you want to provide your own value as "argv0"
 The default is the name of the launched binary (not the whole path).