Incorrect achievement

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Date & Time: 18:40 bst
Frequency: Always
World name: Leviathan
Character name: Eclair Aryes
Retainer name: N/A
NPC name: N/A
Monster name: N/A
Class/Level: 70
Party or solo: Party
In-game time: N/A
Area and coordinates: N/A
Housing: N/A
Steps:
1. Go to the achievements
2. Go to trials
3. Scroll down, It says Castrum Fluminis (hard) instead of extreme
*Add more steps if necessary