1 files changed, 13 insertions, 0 deletions

diff --git a/README.rst b/README.rst
index 30f73ef..8380fa3 100644
--- a/README.rst
+++ b/README.rst
@@ -119,6 +119,19 @@ Optionally install parabolaiso's mkinitcpio hooks:
 
     make install-initcpio
 
+Optional Features
+=================
+
+The iso image contains a grub environment block holding the iso version. This allows to boot the iso image from grub
+with a version specific cow directory to mitigate overlay clashes.
+
+  .. code:: grub
+      loopback loop parabola.iso
+      load_env -f (loop)/parabola/grubenv
+      linux (loop)/parabola/boot/x86_64/vmlinuz-linux-libre ... \
+          cow_directory=parabola/${VERSION} ...
+      initrd (loop)/parabola/boot/x86_64/initramfs-linux-libre-lts.img
+
 Contribute
 ==========