Merge pull request #7286 from stolostron/swope-arn4

https://issues.redhat.com/browse/ACM-12901--command structure change …

clusters/hosted_control_planes/create_role_sts_aws.adoc

@@ -42,21 +42,14 @@ You need the `arn` value from the output to use in the next step.
 }
 ----
 
-. Create the Identity and Access Management (IAM) role by running the following command:
+. Create the Identity and Access Management (IAM) role by running the following command. Replace `<name>` with the role name, which is `hcp-cli-role` in this example. Replace `<file_name>` with the file name, which is `trust-relationship.json` in this command:
 
 +
 [source,bash]
 ----
-aws iam create-role \
---role-name <name> \ <1>
---assume-role-policy-document file://<file_name>.json \ <2>
---query "Role.Arn"
+aws iam create-role --role-name <hcp-cli-role> --assume-role-policy-document file://trust-relationship.json --query "Role.Arn" --output json
 ----
 
-+
-<1> Replace `<name>` with the role name, for example, `hcp-cli-role`.
-<2> Replace `<file_name>` with the file name, for example, `assume-role-policy.json`.
-
 +
 See the following example output: