Minor wording improvements.
Minor wording improvements.

chrishajas/gpdb,oberstet/postgres-xl,0x0FFF/gpdb,adam8157/gpdb,Postgres-XL/Postgres-XL,ashwinstar/gpdb,postmind-net/postgres-xl,lpetrov-pivotal/gpdb,lisakowen/gpdb,randomtask1155/gpdb,rubikloud/gpdb,xinzweb/gpdb,ahachete/gpdb,zaksoup/gpdb,rvs/gpdb,randomtask1155/gpdb,50wu/gpdb,Quikling/gpdb,50wu/gpdb,royc1/gpdb,lisakowen/gpdb,Chibin/gpdb,yuanzhao/gpdb,kmjungersen/PostgresXL,chrishajas/gpdb,CraigHarris/gpdb,yazun/postgres-xl,greenplum-db/gpdb,rvs/gpdb,Chibin/gpdb,0x0FFF/gpdb,zeroae/postgres-xl,ovr/postgres-xl,edespino/gpdb,kaknikhil/gpdb,lisakowen/gpdb,randomtask1155/gpdb,ahachete/gpdb,tangp3/gpdb,Quikling/gpdb,janebeckman/gpdb,lintzc/gpdb,rubikloud/gpdb,zeroae/postgres-xl,lpetrov-pivotal/gpdb,jmcatamney/gpdb,adam8157/gpdb,chrishajas/gpdb,rubikloud/gpdb,Chibin/gpdb,Chibin/gpdb,50wu/gpdb,greenplum-db/gpdb,xinzweb/gpdb,yuanzhao/gpdb,xuegang/gpdb,lintzc/gpdb,atris/gpdb,yuanzhao/gpdb,zeroae/postgres-xl,foyzur/gpdb,jmcatamney/gpdb,xuegang/gpdb,50wu/gpdb,rubikloud/gpdb,chrishajas/gpdb,yazun/postgres-xl,adam8157/gpdb,rubikloud/gpdb,rvs/gpdb,oberstet/postgres-xl,yuanzhao/gpdb,chrishajas/gpdb,pavanvd/postgres-xl,rvs/gpdb,xuegang/gpdb,zaksoup/gpdb,Postgres-XL/Postgres-XL,0x0FFF/gpdb,janebeckman/gpdb,snaga/postgres-xl,edespino/gpdb,edespino/gpdb,ovr/postgres-xl,ahachete/gpdb,zaksoup/gpdb,janebeckman/gpdb,postmind-net/postgres-xl,xinzweb/gpdb,randomtask1155/gpdb,janebeckman/gpdb,cjcjameson/gpdb,janebeckman/gpdb,Chibin/gpdb,lintzc/gpdb,atris/gpdb,cjcjameson/gpdb,adam8157/gpdb,Chibin/gpdb,cjcjameson/gpdb,yazun/postgres-xl,postmind-net/postgres-xl,0x0FFF/gpdb,tangp3/gpdb,lpetrov-pivotal/gpdb,yazun/postgres-xl,techdragon/Postgres-XL,kaknikhil/gpdb,snaga/postgres-xl,royc1/gpdb,foyzur/gpdb,lintzc/gpdb,foyzur/gpdb,lintzc/gpdb,atris/gpdb,xuegang/gpdb,arcivanov/postgres-xl,atris/gpdb,pavanvd/postgres-xl,Quikling/gpdb,kaknikhil/gpdb,ahachete/gpdb,zaksoup/gpdb,postmind-net/postgres-xl,techdragon/Postgres-XL,Quikling/gpdb,edespino/gpdb,yuanzhao/gpdb,techdragon/Postgres-XL,chrishajas/gpdb,xuegang/gpdb,ashwinstar/gpdb,zaksoup/gpdb,adam8157/gpdb,kmjungersen/PostgresXL,randomtask1155/gpdb,greenplum-db/gpdb,janebeckman/gpdb,tangp3/gpdb,edespino/gpdb,kmjungersen/PostgresXL,tangp3/gpdb,rvs/gpdb,foyzur/gpdb,atris/gpdb,CraigHarris/gpdb,royc1/gpdb,oberstet/postgres-xl,zeroae/postgres-xl,kaknikhil/gpdb,0x0FFF/gpdb,janebeckman/gpdb,xinzweb/gpdb,janebeckman/gpdb,Postgres-XL/Postgres-XL,zaksoup/gpdb,jmcatamney/gpdb,CraigHarris/gpdb,ashwinstar/gpdb,randomtask1155/gpdb,ashwinstar/gpdb,cjcjameson/gpdb,xuegang/gpdb,lpetrov-pivotal/gpdb,foyzur/gpdb,Quikling/gpdb,yuanzhao/gpdb,rvs/gpdb,tangp3/gpdb,arcivanov/postgres-xl,kaknikhil/gpdb,ashwinstar/gpdb,xuegang/gpdb,kmjungersen/PostgresXL,ovr/postgres-xl,xuegang/gpdb,xuegang/gpdb,zaksoup/gpdb,Chibin/gpdb,tangp3/gpdb,Chibin/gpdb,kaknikhil/gpdb,postmind-net/postgres-xl,atris/gpdb,royc1/gpdb,xinzweb/gpdb,atris/gpdb,foyzur/gpdb,yuanzhao/gpdb,ovr/postgres-xl,royc1/gpdb,royc1/gpdb,rvs/gpdb,rubikloud/gpdb,oberstet/postgres-xl,Quikling/gpdb,chrishajas/gpdb,kaknikhil/gpdb,snaga/postgres-xl,janebeckman/gpdb,xinzweb/gpdb,xinzweb/gpdb,yuanzhao/gpdb,CraigHarris/gpdb,kaknikhil/gpdb,CraigHarris/gpdb,lpetrov-pivotal/gpdb,atris/gpdb,pavanvd/postgres-xl,kmjungersen/PostgresXL,ahachete/gpdb,lpetrov-pivotal/gpdb,zaksoup/gpdb,lisakowen/gpdb,yuanzhao/gpdb,xinzweb/gpdb,lintzc/gpdb,lintzc/gpdb,cjcjameson/gpdb,Quikling/gpdb,cjcjameson/gpdb,jmcatamney/gpdb,tpostgres-projects/tPostgres,techdragon/Postgres-XL,lintzc/gpdb,cjcjameson/gpdb,greenplum-db/gpdb,ahachete/gpdb,yazun/postgres-xl,jmcatamney/gpdb,Postgres-XL/Postgres-XL,foyzur/gpdb,kaknikhil/gpdb,kaknikhil/gpdb,CraigHarris/gpdb,ashwinstar/gpdb,Chibin/gpdb,lpetrov-pivotal/gpdb,edespino/gpdb,ovr/postgres-xl,jmcatamney/gpdb,edespino/gpdb,rvs/gpdb,rvs/gpdb,royc1/gpdb,arcivanov/postgres-xl,lpetrov-pivotal/gpdb,greenplum-db/gpdb,adam8157/gpdb,snaga/postgres-xl,rubikloud/gpdb,lisakowen/gpdb,tpostgres-projects/tPostgres,Postgres-XL/Postgres-XL,greenplum-db/gpdb,techdragon/Postgres-XL,edespino/gpdb,Chibin/gpdb,50wu/gpdb,0x0FFF/gpdb,50wu/gpdb,arcivanov/postgres-xl,janebeckman/gpdb,foyzur/gpdb,jmcatamney/gpdb,zeroae/postgres-xl,0x0FFF/gpdb,lisakowen/gpdb,royc1/gpdb,oberstet/postgres-xl,edespino/gpdb,tangp3/gpdb,tpostgres-projects/tPostgres,CraigHarris/gpdb,arcivanov/postgres-xl,ahachete/gpdb,lintzc/gpdb,Quikling/gpdb,tpostgres-projects/tPostgres,arcivanov/postgres-xl,cjcjameson/gpdb,snaga/postgres-xl,greenplum-db/gpdb,Quikling/gpdb,Quikling/gpdb,cjcjameson/gpdb,chrishajas/gpdb,tpostgres-projects/tPostgres,rubikloud/gpdb,ashwinstar/gpdb,edespino/gpdb,jmcatamney/gpdb,randomtask1155/gpdb,50wu/gpdb,ahachete/gpdb,50wu/gpdb,randomtask1155/gpdb,ashwinstar/gpdb,CraigHarris/gpdb,pavanvd/postgres-xl,rvs/gpdb,pavanvd/postgres-xl,CraigHarris/gpdb,yuanzhao/gpdb,adam8157/gpdb,lisakowen/gpdb,cjcjameson/gpdb,adam8157/gpdb,lisakowen/gpdb,0x0FFF/gpdb,greenplum-db/gpdb,tangp3/gpdb