Update on various section.
Change-Id: Ibfe0875de178505079cb13fe5077a8e620c03780
diff --git a/overview/introduction.rst b/overview/introduction.rst
index 5570e06..acf55d6 100644
--- a/overview/introduction.rst
+++ b/overview/introduction.rst
@@ -2,8 +2,8 @@
SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
SPDX-License-Identifier: Apache-2.0
-SD-Core Introduction
-====================
+Introduction
+============
SD-Core™ is the Open Networking Foundation™ (ONF)’s open source, flexible, agile,
scalable, and configurable dual-mode 4G/5G mobile core network solution that enables a
@@ -25,8 +25,8 @@
and policy management, providing precise access control for users, devices, data networks
and edge applications.
-SD-Core Overview
-----------------
+Overview
+--------
- Ensure only authenticated mobile devices have network access
- Provides IP connectivity for data & voice services