update readme

README.md

@@ -272,8 +272,10 @@ Usage: check-yaml [options]
     -p <profile>       Buildset or profile [default: default]
     -a <arch>          Arch [default: x86_64]
     -k <name>          Kernel to use[default: linux44]
-    -i <name>          Init system to use [default: systemd]
+    -i <name>          Init system to use [default: openrc]
     -c                 Check also calamares yaml files generated for the profile
+    -g                 Enable pacman group accepted for -p
+    -v                 Validate by schema
     -q                 Query settings
     -h                 This help
 ~~~
@@ -291,11 +293,20 @@ check-yaml -p xfce -a i686 -c
 check-yaml -p xfce -c
 ~~~
 
+* for a kdebase pacman group with validation
+
+~~~
+check-yaml -p kdebase -v
+~~~
+
 ####Special parameters
 
 ######* -c
 * generate calamares module and settings conf files per profile
 
+######* -g
+* generate a netgroup for specified pacman group
+
 ###5. buildtree
 
 buildtree is a little tools to sync arch abs and manjaro PKGBUILD git repos.