diff --git a/docs/source/release-notes.rst b/docs/source/release-notes.rst
index df6a62cfd0..ff9c00a567 100644
--- a/docs/source/release-notes.rst
+++ b/docs/source/release-notes.rst
@@ -34,14 +34,15 @@ Corda 4.4 also introduces a new ``HospitalizeFlowException`` exception type that
 This exception gives user code a way to retry a flow from its last checkpoint if a known intermittent failure occurred.
 
 
-Diagnostic API
+New utility APIs
 +++++++++++++++++++++++
 
-Corda 4.4 introduces a ``ServiceHub`` call available to CorDapp developers that allows them to access:
+Corda 4.4 introduces a new call (``ServiceHub.DiagnosticsService``) available to CorDapp developers that allows them to access:
 
 * The edition of Corda being run (e.g. Open Source, Enterprise)
 * The version of Corda being run including the patch number (eg. 3.2.20190215)
 
+Corda 4.4 also provides a callback (``AppServiceHub.register``) to allow Corda services to register custom actions to be performed once the node is fully started-up. This pattern prevents issues caused by the service trying to immediately access a part of the node that hadn't yet been initialised .
 
 Security enhancements
 +++++++++++++++++++++++
@@ -59,10 +60,6 @@ Given the addition of new APIs, the platform version of Corda 4.4 has been bumpe
 For more information on platform version, please see :doc:`versioning`. For more details on upgrading a CorDapp to use platform version 5, please see :doc:`app-upgrade-notes`.
 
 
-Deprecations
-~~~~~~~~~~~~
-
-
 Issues Fixed
 ~~~~~~~~~~~~