[DOCS] Fixes monitor privilege description (elastic/x-pack-elasticsearch#4403)
[DOCS] Fixes monitor privilege description (elastic/x-pack-elasticsearch#4403)

Original commit: elastic/x-pack-elasticsearch@4e7b2e2760b15ef1d9bd6453187029fba27c89b7

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