diff --git a/docs/examples/acme-issuer.yaml b/docs/examples/acme-issuer.yaml
index 66132fc18..ac1b35ba1 100644
--- a/docs/examples/acme-issuer.yaml
+++ b/docs/examples/acme-issuer.yaml
@@ -35,6 +35,9 @@ spec:
             key: api-key.txt
       - name: route53
         route53:
+          # Credentials may optionally be omitted to use ambient credentials if
+          # --issuer-ambient-credentials is enabled and
+          # ambient credentials are available to cert-manager.
           # The Route53 access key ID
           accessKeyID: AKIADKOU3GLWAQM8WQKJ
           # A secretKeyRef to a the route53 secret access key
@@ -63,4 +66,4 @@ spec:
           resourceGroupName: resource-group
           # Name of the hosted zone, if ommited it will be computed from domain provided during certificate creation
           # hosted zone name is always part of domain name from certificate request
-          hostedZoneName: k8s.group
\ No newline at end of file
+          hostedZoneName: k8s.group
diff --git a/docs/examples/cluster-issuer.yaml b/docs/examples/cluster-issuer.yaml
index d6a1d1ae3..aa2ce5244 100644
--- a/docs/examples/cluster-issuer.yaml
+++ b/docs/examples/cluster-issuer.yaml
@@ -35,6 +35,9 @@ spec:
             key: api-key.txt
       - name: route53
         route53:
+          # Credentials may optionally be omitted to use ambient credentials if
+          # --cluster-issuer-ambient-credentials is not disabled and
+          # ambient credentials are available to cert-manager.
           # The Route53 access key ID
           accessKeyID: AKIADKOU3GLWAQM8WQKJ
           # A secretKeyRef to a the route53 secret access key