diff --git a/README.rst b/README.rst
index 49a8ce498..d2d947daa 100644
--- a/README.rst
+++ b/README.rst
@@ -25,6 +25,19 @@ with `nodepool
 <http://docs.openstack.org/infra/system-config/nodepool.html>`__.
 Platforms supported include Ubuntu, CentOS, RHEL and Fedora.
 
+To build an UEFI capable image,
+
+1. Two partitions are created with GPT partition table. First partition
+   contains the root file system, while the second partition is an EFI
+   System Partition(ESP). ``parted`` is used for creating partitions.
+
+2. As part of installing grub boot loader, the ESP is mounted
+   to /boot/efi directory of the root file system so that grub will
+   install required grubx64.efi and other dependent packages on ESP.
+
+3. Grub configuration files are modified to work with respective
+   distributions.
+
 Full documentation, the source of which is in ``doc/source/``, is
 published at: