Note: Doc team updates the current version of the documentation and the
two previous versions (n-2), but we address *only high-priority, or
customer-reported issues* for -2 releases in support.
Describe the changes in the doc and link to your dev story:

1. - [ ] Mandatory: Add the required version to the Fix version/s field.
2.13, 2.12

2. - [ ] Mandatory: Choose the type of documentation change or review.

• [ ] We need to update to an existing topic

3. - [ ] Mandatory: Find the link to where the documentation update
should go and add it to the recommended changes. You can either use the
published doc or the staged repo for this step:

https://docs.redhat.com/en/documentation/red_hat_advanced_cluster_management_for_kubernetes/2.13/html-single/multicluster_engine_operator_with_red_hat_advanced_cluster_management/index#config-addons-hosted

4. - [ ] Mandatory for GA content:

• [ ] Add steps, the diff, known issue, and/or other important
  conceptual information in the following space:

In the section 1.1.2.1. Configuring add-ons, in the example yaml of AddOnDeploymentConfig, the kind should be 

kind: AddOnDeploymentConfig

"A" and "O" in block letters.

With the given example , an error will the generated.

# oc apply -f addonDeploymentConfig.yaml 
error: resource mapping not found for name: "addon-ns-config" namespace: "multicluster-engine" from "addonDeploymentConfig.yaml": no matches for kind "addonDeploymentConfig" in version "addon.open-cluster-management.io/v1alpha1"
ensure CRDs are installed first

5. - [ ] Mandatory for bugs: What is the diff? Clearly define what the
problem is, what the change is, and link to the current documentation. Only
use this for a documentation bug.