[docs] Fix wrong example and highlight Kibana API (elastic#124347)

The current example contains invalid characters and does not work. Furthermore does it incorrectly point towards the Elasticsearch API instead of the Kibana API. Both is addressed in this change.

Co-authored-by: Kibana Machine <42973632+kibanamachine@users.noreply.github.com>

docs/setup/configuring-reporting.asciidoc

@@ -111,41 +111,27 @@ Granting the privilege to generate reports also grants the user the privilege to
 ==== Grant access with the role API
 With <<grant-user-access, {kib} application privileges>> enabled in Reporting, you can also use the {ref}/security-api-put-role.html[role API] to grant access to the {report-features}, using *All* privileges, or sub-feature privileges.
 
-NOTE: If you have a Basic license, sub-feature privileges are unavailable. For details, check out the API command to grant *All* privileges in <<grant-user-access-basic>>.
-
-Grant users custom Reporting roles, other roles that grant read access to the data in {es}, and at least read access in the applications where users can generate reports.
-
-[source, json]
+NOTE: this [API request](https://www.elastic.co/guide/en/kibana/current/role-management-api-put.html) needs to be executed against the Kibana API endpoint
+[source, sh]
 ---------------------------------------------------------------
-PUT localhost:5601/api/security/role/custom_reporting_user
+POST <kibana host>:<port>/api/_security/role/custom_reporting_user
 {
-  "elasticsearch": { "cluster": [], "indices": [], "run_as": [] },
-  "kibana": [
-    {
-      "base": [],
-      "feature": {
-        "dashboard": [
-          "minimal_read",
-          "generate_report", <1>
-          "download_csv_report" <2>
-        ],
-        "discover": [
-          "minimal_read",
-          "generate_report" <3>
-        ],
-        "canvas": [
-          "minimal_read",
-          "generate_report" <4>
-        ],
-        "visualize": [
-          "minimal_read",
-          "generate_report" <5>
-        ]
-      },
-      "spaces": [ "*" ]
-    }
-  ],
-  "metadata": {} // optional
+	"elasticsearch": {
+		"cluster": [],
+		"indices": [],
+		"run_as": []
+	},
+	"kibana": [{
+		"spaces": ["*"],
+		"base": [],
+		"feature": {
+			"dashboard": ["generate_report",  <1>
+      "download_csv_report"], <2>
+      "discover": ["generate_report"], <3>
+			"canvas": ["generate_report"], <4>
+			"visualize": ["generate_report"] <5>
+		}
+	}]
 }
 ---------------------------------------------------------------
 // CONSOLE