Fix some typos and correct wording in the monitoring docs patch
Fix some typos and correct wording in the monitoring docs patch

Thom Brown

jmcatamney/gpdb,ashwinstar/gpdb,postmind-net/postgres-xl,zeroae/postgres-xl,pavanvd/postgres-xl,ovr/postgres-xl,yazun/postgres-xl,snaga/postgres-xl,zeroae/postgres-xl,jmcatamney/gpdb,xinzweb/gpdb,postmind-net/postgres-xl,tpostgres-projects/tPostgres,techdragon/Postgres-XL,xinzweb/gpdb,techdragon/Postgres-XL,ashwinstar/gpdb,snaga/postgres-xl,zeroae/postgres-xl,oberstet/postgres-xl,kmjungersen/PostgresXL,adam8157/gpdb,zeroae/postgres-xl,lisakowen/gpdb,jmcatamney/gpdb,tpostgres-projects/tPostgres,pavanvd/postgres-xl,greenplum-db/gpdb,50wu/gpdb,50wu/gpdb,ashwinstar/gpdb,arcivanov/postgres-xl,postmind-net/postgres-xl,zeroae/postgres-xl,lisakowen/gpdb,50wu/gpdb,tpostgres-projects/tPostgres,greenplum-db/gpdb,tpostgres-projects/tPostgres,snaga/postgres-xl,techdragon/Postgres-XL,xinzweb/gpdb,oberstet/postgres-xl,lisakowen/gpdb,oberstet/postgres-xl,kmjungersen/PostgresXL,greenplum-db/gpdb,greenplum-db/gpdb,arcivanov/postgres-xl,kmjungersen/PostgresXL,jmcatamney/gpdb,50wu/gpdb,adam8157/gpdb,ashwinstar/gpdb,ashwinstar/gpdb,jmcatamney/gpdb,yazun/postgres-xl,postmind-net/postgres-xl,adam8157/gpdb,xinzweb/gpdb,jmcatamney/gpdb,Postgres-XL/Postgres-XL,lisakowen/gpdb,50wu/gpdb,ashwinstar/gpdb,adam8157/gpdb,techdragon/Postgres-XL,50wu/gpdb,arcivanov/postgres-xl,greenplum-db/gpdb,yazun/postgres-xl,Postgres-XL/Postgres-XL,tpostgres-projects/tPostgres,50wu/gpdb,lisakowen/gpdb,greenplum-db/gpdb,adam8157/gpdb,greenplum-db/gpdb,adam8157/gpdb,adam8157/gpdb,arcivanov/postgres-xl,yazun/postgres-xl,lisakowen/gpdb,lisakowen/gpdb,yazun/postgres-xl,snaga/postgres-xl,50wu/gpdb,pavanvd/postgres-xl,ovr/postgres-xl,snaga/postgres-xl,kmjungersen/PostgresXL,oberstet/postgres-xl,pavanvd/postgres-xl,Postgres-XL/Postgres-XL,ashwinstar/gpdb,lisakowen/gpdb,ovr/postgres-xl,pavanvd/postgres-xl,Postgres-XL/Postgres-XL,xinzweb/gpdb,Postgres-XL/Postgres-XL,ovr/postgres-xl,jmcatamney/gpdb,ovr/postgres-xl,adam8157/gpdb,xinzweb/gpdb,ashwinstar/gpdb,xinzweb/gpdb,arcivanov/postgres-xl,kmjungersen/PostgresXL,jmcatamney/gpdb,xinzweb/gpdb,arcivanov/postgres-xl,techdragon/Postgres-XL,postmind-net/postgres-xl,oberstet/postgres-xl,greenplum-db/gpdb