Faction Claim World Problem

I have problem config Faction claim world only i set survival on config but on game show don't name claiming world look down here and and screenshot
---
MaxFactionNameLength: 15
MaxPlayersPerFaction: 30
OnlyLeadersAndOfficersCanInvite: true
OfficersCanClaim: false
PlotSize: 30
PlayersNeededInFactionToClaimAPlot: 5
PowerNeededToClaimAPlot: 100000
PowerNeededToSetOrUpdateAHome: 50000
PowerGainedPerPlayerInFaction: 50
PowerGainedPerKillingAnEnemy: 10
PowerGainedPerAlly: 100
AllyLimitPerFaction: 5
TheDefaultPowerEveryFactionStartsWith: 0
EnableOverClaim: true
ClaimWorlds: survival
AllowChat: true
...

 

ClaimWorlds:
- Survival

change to that in config