Added description for one operation

Author: rb80

rest-api-specs/property/blkasync.json

@@ -123,7 +123,7 @@
     "/externalSystems/{extSystemCode}/hotels/{hotelId}/blocks/allocationSummary/{requestId}": {
       "head": {
         "summary": "This API returns the status of asynchronous process scheduled for given id.",
-        "description": " <p><strong>OperationId:</strong>getBlockAllocationSummaryProcessStatus</p>",
+        "description": "Use this to check whether the summary of block allocation is ready yet. You can get value of summaryId from the header parameter Location, returned by the startBlockAllocationSummaryProcess operation. Once the process is completed, HEAD response returns status = COMPLETED and a header parameter Location with a summary ID for getBlockAllocationSummary API. <p><strong>OperationId:</strong>getBlockAllocationSummaryProcessStatus</p>",
         "operationId": "getBlockAllocationSummaryProcessStatus",
         "responses": {
           "200": {