message: Fix doc typo.
diff: @@ -72,7 +72,7 @@ public:
  * This is used to select an appropriate level-of-detail: A low value
  * will cause many tiles with a high level of detail to be loaded,
  * causing a finer visual representation of the tiles, but with a
  - * higher performance cost for loading and rendering. A lower value will
  + * higher performance cost for loading and rendering. A higher value will
  * cause a coarser visual representation, with lower performance
  * requirements.
  */
  