Toads Treasure hunt, typo fix in the yaml

Fixed a typo in the description.

Author: phellen007

_maps/ToadsTreasureHunt/ToadsTreasureHunt.yaml

@@ -1,7 +1,7 @@
 name:
   en: Toad's Treasure Hunt
 desc:
-  en: Treasure has gone missing from the vault at the MKNB, Mushroom Kingdom National Bank. Captain Toad and his ragtag crew of treasure hunters have been tasked with it's recovery. Naturally a competition has formed within the group to see who will be the one to bring back the most gold.
+  en: Treasure has gone missing from the vault at the MKNB, Mushroom Kingdom National Bank. Captain Toad and his ragtag crew of treasure hunters have been tasked with its recovery. Naturally a competition has formed within the group to see who will be the one to bring back the most gold.
 ruleSet: Standard
 theme: Mario
 initialCash: 2500