diff --git a/doc/source/deploy_install_guides/r3_release/openstack/install.rst b/doc/source/deploy_install_guides/r3_release/openstack/install.rst
index 0e4198b4a..48c82b477 100644
--- a/doc/source/deploy_install_guides/r3_release/openstack/install.rst
+++ b/doc/source/deploy_install_guides/r3_release/openstack/install.rst
@@ -16,8 +16,13 @@ Install application manifest and helm-charts
 --------------------------------------------
 
 #. Get the latest StarlingX OpenStack application (stx-openstack) manifest and
-   helm-charts. This can be from a private StarlingX build or from the public
-   `CENGN StarlingX mirror <http://mirror.starlingx.cengn.ca/mirror/starlingx/>`_.
+   helm charts. Use one of the following options:
+
+   *  Private StarlingX build. See :ref:`Build-stx-openstack-app` for details.
+   *  Public download from
+      `CENGN StarlingX mirror <http://mirror.starlingx.cengn.ca/mirror/starlingx/>`_.
+
+      After you select a release, helm charts are located in ``centos/outputs/helm-charts``.
 
 #. Load the stx-openstack application's package into StarlingX. The tarball
    package contains stx-openstack's Airship Armada manifest and stx-openstack's
diff --git a/doc/source/developer_resources/build_guide.rst b/doc/source/developer_resources/build_guide.rst
index 6783b91cf..d8c720e35 100644
--- a/doc/source/developer_resources/build_guide.rst
+++ b/doc/source/developer_resources/build_guide.rst
@@ -527,6 +527,18 @@ Additional notes
 * StarlingX is in active development.  Consequently, it is possible that a
   future version will change to a more generic solution.
 
+.. _Build-stx-openstack-app:
+
+-------------------------------------
+Build StarlingX OpenStack application
+-------------------------------------
+
+Use the following command:
+
+::
+
+  $MY_REPO_ROOT_DIR/cgcs-root/build-tools/build-helm-charts.sh
+
 ---------------
 Build avoidance
 ---------------