diff --git a/docs/_static/toolbox_workflow_registry.drawio.png b/docs/_static/toolbox_workflow_registry.drawio.png
new file mode 100644
index 0000000..3e94419
Binary files /dev/null and b/docs/_static/toolbox_workflow_registry.drawio.png differ
diff --git a/docs/registry_to_quay/toolbox.rst b/docs/registry_to_quay/toolbox.rst
index b9caed4..93df5c6 100644
--- a/docs/registry_to_quay/toolbox.rst
+++ b/docs/registry_to_quay/toolbox.rst
@@ -3,11 +3,19 @@
 Fedora Toolbx images
 ====================
 
-This document contains information about current workflow used to build and publish these container
-images. It also describes changes needed to make it work with quay.io.
+This document contains information about current workflow used to build and publish Toolbox images.
+It also describes changes needed to make it work with `quay.io <https://quay.io>`_.
 
 Current workflow
 ----------------
 
+The toolbox images are built using OSBS. The OSBS submits builds to
+`candidate-registry.fedoraproject.org <https://candidate-registry.fedoraproject.org/>`_ using
+dockercfg and releng script then push it to
+`registry.fedoraproject_org <https://registry.fedoraproject.org/>`_.
+
+.. image:: ../_static/toolbox_workflow_registry.drawio.png
+    :target: ../_images/toolbox_workflow_registry.drawio.png
+
 Changes for quay.io
 -------------------