verify api-ref os-instance-usage-audit-log.inc

verify the parameters, os-instance-usage-audit-log.inc
including response and request.
Changed some wording such as 'Instance' -> 'Server' etc.

Part of bp:api-ref-in-rst

Change-Id: Ia7af3cab3c0ed82418a6fa140fea061074ccd8b5

api-ref/source/os-instance-usage-audit-log.inc

@@ -1,20 +1,17 @@
 .. -*- rst -*-
-.. needs:parameter_verification
-.. needs:example_verification
-.. needs:body_verification
 
 ========================================================
- Instance usage audit log (os-instance-usage-audit-log)
+ Server usage audit log (os-instance-usage-audit-log)
 ========================================================
 
-Administrator only. Monitors task logs.
+Administrator only. Audit server usage of a tenant. 
 
-List Usage Audits For An Instance
+List Server Usage Audits For An Tenant
-=================================
+========================================
 
 .. rest_method:: GET /v2.1/{tenant_id}/os-instance_usage_audit_log
 
-Lists usage audits for an instance.
+Lists usage audits for all servers on the given tenant.
 
 Normal response codes: 200
 
@@ -30,7 +27,7 @@ Request
 Response
 --------
 
-**Example List Usage Audits For An Instance: JSON response**
+**Example List Usage Audits For All Servers on tenant**
 
 .. literalinclude:: ../../doc/api_samples/os-instance-usage-audit-log/inst-usage-audit-log-index-get-resp.json
    :language: javascript
@@ -52,18 +49,12 @@ Request
 .. rest_parameters:: parameters.yaml
 
   - tenant_id: tenant_id
-
-Query Parameters
-~~~~~~~~~~~~~~~~
-
-.. rest_parameters:: parameters.yaml
-
   - before_timestamp: before_timestamp
 
 Response
 --------
 
-**Example List Usage Audits Before Specified Time: JSON response**
+**Example List Usage Audits Before Specified Time**
 
 .. literalinclude:: ../../doc/api_samples/os-instance-usage-audit-log/inst-usage-audit-log-show-get-resp.json
    :language: javascript