[DOCS] Fixed broken link to monitoring info (elastic/x-pack-elasticsearch#3745)
[DOCS] Fixed broken link to monitoring info (elastic/x-pack-elasticsearch#3745)

Original commit: elastic/x-pack-elasticsearch@86c137058481ae671909ea2c2acb2115a84ebdfd

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