Documenting optional properties for the HTTP client

Issue-ID: CPS-2016
Change-Id: Iae3d612548032dfbb4a7d4325eb3fbed4f20ab78
Signed-off-by: waqas.ikram <waqas.ikram@est.tech>
diff --git a/docs/release-notes.rst b/docs/release-notes.rst
index 1dc24bf..f9d74bc 100755
--- a/docs/release-notes.rst
+++ b/docs/release-notes.rst
@@ -44,6 +44,7 @@
 --------
     - CPS-Temporal is no longer supported and any related documentation has been removed.
     - `CPS-1980 <https://jira.onap.org/browse/CPS-1980>`_ Exposing health and cluster metrics for hazelcast.
+    - `CPS-1994 <https://jira.onap.org/browse/CPS-1994>`_ Use Apache Http Client for DMI REST requests.
     - `CPS-2005 <https://jira.onap.org/browse/CPS-2005>`_ Removing notification feature for cps updated events ( exclusively used by cps-temporal )