Fix typo

Author: adamgraham

src/data/grid_master_tiles.json

@@ -39,7 +39,7 @@
     "taskIcon": "Fletching_knife",
     "taskLink": "Vale_Totems",
     "reward": "Devil's Element",
-    "rewardDescription": "Provides unlimited elemental runes whilst equippep and has a passive effect where attacks will double an NPC's elemental weakness when applicable.",
+    "rewardDescription": "Provides unlimited elemental runes whilst equipped and has a passive effect where attacks will double an NPC's elemental weakness when applicable.",
     "rewardIcon": "Devil's_element",
     "rewardLink": "Devil's_element"
   },