[DOCS] Formatted the privileges API (elastic/x-pack-elasticsearch#2575)
[DOCS] Formatted the privileges API (elastic/x-pack-elasticsearch#2575)

Original commit: elastic/x-pack-elasticsearch@06c3497b383e9cec37909fb64df14cf9a0f7dca4

vroyer/elassandra,strapdata/elassandra,strapdata/elassandra,vroyer/elassandra,vroyer/elassandra,strapdata/elassandra,strapdata/elassandra,strapdata/elassandra