Fix documentation comment about restricted environments, per Kevin Jacobs.
Fix documentation comment about restricted environments, per Kevin Jacobs.

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