Update burst-capacity-faq.yml

Author: Rodrigossz

articles/cosmos-db/burst-capacity-faq.yml

@@ -44,6 +44,10 @@ sections:
           How can I see which resources have less than 3000 RU/s per physical partition?
         answer: |
           You can use the new Azure Monitor metric **PhysicalPartitionThroughput** and split by the dimension **PhysicalPartitionId** to see how many RU/s you have per physical partition.
+      - question: |
+          Does burst capacity consume Azure Cosmos DB reserved capacity?
+        answer: |
+          No. Burst capacity is free throughput.          
       - question: |
           How can I enable burst capacity on an account programatically?
         answer: |