diff --git a/modules/olm-bundle-format.adoc b/modules/olm-bundle-format.adoc
index 6d0fd9fea7c0..f50739c7aa9e 100644
--- a/modules/olm-bundle-format.adoc
+++ b/modules/olm-bundle-format.adoc
@@ -1,7 +1,6 @@
 // Module included in the following assemblies:
 //
 // * operators/understanding_olm/olm-packaging-format.adoc
-// * operators/operator_sdk/osdk-managing-bundle-images.adoc
 
 [id="olm-bundle-format_{context}"]
 = Bundle Format
@@ -38,9 +37,8 @@ requirements are validated:
 Bundle manifests refer to a set of Kubernetes manifests that define the
 deployment and RBAC model of the Operator.
 
-A bundle includes one ClusterServiceVersion (CSV) per directory
-and typically the CRDs that define the owned APIs of the CSV in its `manifest/`
-directory, though additional objects may be included:
+A bundle includes one ClusterServiceVersion (CSV) per directory and typically
+the CRDs that define the owned APIs of the CSV in its `/manifests` directory.
 
 .Example Bundle Format layout
 [source,terminal]
@@ -49,17 +47,42 @@ etcd
 ├── manifests
 │   ├── etcdcluster.crd.yaml
 │   └── etcdoperator.clusterserviceversion.yaml
+│   └── secret.yaml
+│   └── configmap.yaml
 └── metadata
     └── annotations.yaml
     └── dependencies.yaml
 ----
 
+[discrete]
+[id="olm-bundle-format-manifests-optional_{context}"]
+=== Optional objects
+
+The following objects can also be optionally included in the `/manifests`
+directory of a bundle:
+
+.Supported optional objects
+* Secrets
+* ConfigMaps
+
+When these optional objects are included in a bundle, Operator Lifecycle Manager
+(OLM) can create them from the bundle and manage their lifecycle along with the
+CSV:
+
+.Lifecycle for optional objects
+* When the CSV is deleted, OLM deletes the optional object.
+* When the CSV is upgraded:
+** If the name of the optional object is the same, OLM updates it in place.
+** If the name of the optional object has changed between versions, OLM deletes and
+recreates it.
+
 [id="olm-bundle-format-annotations_{context}"]
 == Annotations
 
-A bundle also includes an `annotations.yaml` file in its `metadata/` folder. This file
-defines higher level aggregate data that helps describe the format and package
-information about how the bundle should be added into an index of bundles:
+A bundle also includes an `annotations.yaml` file in its `/metadata` directory.
+This file defines higher level aggregate data that helps describe the format and
+package information about how the bundle should be added into an index of
+bundles:
 
 .Example `annotations.yaml`
 [source,yaml]