Lots API Description Update (Azure#18611)

Author: karthikku-2020

specification/consumption/resource-manager/Microsoft.Consumption/stable/2021-10-01/consumption.json

@@ -1654,7 +1654,7 @@
           "Lots"
         ],
         "operationId": "Lots_ListByBillingProfile",
-        "description": "Lists all Azure credits and Microsoft Azure consumption commitments for a billing account or a billing profile. Microsoft Azure consumption commitments are only supported for the billing account scope.",
+        "description": "Lists all Azure credits for a billing account or a billing profile. The API is only supported for Microsoft Customer Agreements (MCA) billing accounts.",
         "externalDocs": {
           "url": "https://docs.microsoft.com/en-us/rest/api/consumption/"
         },
@@ -1699,7 +1699,7 @@
           "Lots"
         ],
         "operationId": "Lots_ListByBillingAccount",
-        "description": "Lists all Azure credits and Microsoft Azure consumption commitments for a billing account or a billing profile. Microsoft Azure consumption commitments are only supported for the billing account scope.",
+        "description": "Lists all Microsoft Azure consumption commitments for a billing account. The API is only supported for Microsoft Customer Agreements (MCA) and Direct Enterprise Agreement (EA)  billing accounts.",
         "externalDocs": {
           "url": "https://docs.microsoft.com/en-us/rest/api/consumption/"
         },
@@ -1751,7 +1751,7 @@
           "Lots"
         ],
         "operationId": "Lots_ListByCustomer",
-        "description": "Lists all Azure credits and Microsoft Azure consumption commitments for a billing account or a billing profile and a customer. Microsoft Azure consumption commitments are only supported for the billing account scope.",
+        "description": "Lists all Azure credits for a customer. The API is only supported for Microsoft Partner  Agreements (MPA) billing accounts.",
         "externalDocs": {
           "url": "https://docs.microsoft.com/en-us/rest/api/consumption/"
         },