diff --git a/release_notes/ocp-4-9-release-notes.adoc b/release_notes/ocp-4-9-release-notes.adoc
index ac2229897c03..9887d3eb11dc 100644
--- a/release_notes/ocp-4-9-release-notes.adoc
+++ b/release_notes/ocp-4-9-release-notes.adoc
@@ -1998,6 +1998,21 @@ As a workaround, cluster administrators can delete the `catalog-operator` pod in
 
 * The flag that is used to hide or show the *Storage* -> *Overview* page in the {product-title} web console is misconfigured. As a result, the overview page is not visible after deploying a cluster that includes OpenShift Cluster Storage. This is planned to be fixed in a later release. (link:https://bugzilla.redhat.com/show_bug.cgi?id=2013132[*BZ#2013132*])
 
+[id="ocp-4-9-devdocs-3418"]
+* In {product-title} 4.6 and later, image references for a pull must specify the following Red Hat registries:
++
+--
+** `registry.redhat.io`
+** `registry.access.redhat.com`
+** `quay.io`
+--
++
+Otherwise, if those registries are not specified, the build pods cannot pull the images.
++
+As a workaround, use fully qualified names, such as `registry.redhat.io/ubi8/ubi:latest` and `registry.access.redhat.com/rhel7.7:latest`, in image pull specifications.
++
+Optionally, you can update the image registry settings by link:https://docs.openshift.com/container-platform/4.9/openshift_images/image-configuration.html#images-configuration-shortname_image-configuration[adding registries that allow image short names]. (link:https://bugzilla.redhat.com/show_bug.cgi?id=2011293[*BZ#2011293*])
+
 [id="ocp-4-9-asynchronous-errata-updates"]
 == Asynchronous errata updates