diff --git a/README.rst b/README.rst
index a12f9c4..6d54dbf 100644
--- a/README.rst
+++ b/README.rst
@@ -6,6 +6,19 @@ Box.py is a simple automation tool meant to run Ubuntu cloud image on top of
 VirtualBox.
 
 What it does is simply download official cloud image for Ubuntu server, set up
-VM tweak it up and do the initial preconfiguration using config drive.
+VM, tweak it up and do the initial pre-configuration using generated config
+drive.
 
 Perhaps other distros would be supported int the future.
+
+
+Requirements
+------------
+
+- Python 3.x
+- Virtualbox (obviously)
+- ``mkisofs`` or ``genisoimage`` command for generating iso image
+- ``wget`` command for fetching images
+- ``sha256sum`` command for checksum check
+- ``qemu-img`` from *qemu-utils* package command for converting between images
+  formats