Bane logic tweaking

src/engine/objects/Building.java

@@ -561,7 +561,7 @@ public class Building extends AbstractWorldObject {
                 BuildingManager.setRank(barracksBuilding, -1);
         }
 
-        // If the tree is R8 and deranking, we need to update it's
+        // If the tree is R8 and deranking, we need to update the
         // mesh along with buildings losing their health bonus
 
         if (this.rank == 8) {