Fix a typo in the documentation.
Fix a typo in the documentation.

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