Clarify pg_restore --help wording.
Clarify pg_restore --help wording.

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