4.20.3.1 release

Signed-off-by: Abhishek Kumar <abhishek.mrt22@gmail.com>

source/conf.py

diff --git a/source/conf.py b/source/conf.py
index 1e188ce..3e06b20 100644
--- a/source/conf.py
+++ b/source/conf.py
@@ -26,7 +26,7 @@
 # The short X.Y version
 version = '4.20'
 # The full version, including alpha/beta/rc tags
-release = '4.20.3.0'
+release = '4.20.3.1'
 
 rst_epilog = """
 .. include:: /_global.rst 

source/releasenotes/about.rst

diff --git a/source/releasenotes/about.rst b/source/releasenotes/about.rst
index 6e970f9..77e3502 100644
--- a/source/releasenotes/about.rst
+++ b/source/releasenotes/about.rst
@@ -17,6 +17,11 @@
 What's New in |release|
 =======================
 
+Refer to the advisory blog at:
+https://cloudstack.apache.org/blog/security-release-advisory-4.20.3.1-4.22.1.1
+
+What's New in 4.20.3.0
+======================
 Apache CloudStack |release| is a 4.20 LTS minor release with around 150 fixes
 and improvements since the 4.20.2.0 release. Some of the highlights include: