message: a wrong word
  when i translate the documentation into chinese,i find this strange word,so :)
diff: @@ -181,7 +181,7 @@ export const WRAP_MODES = {
  * The gc modes that are supported by pixi.
  *
  * The {@link PIXI.settings.GC_MODE} Garbage Collection mode for pixi textures is AUTO
  - * If set to GC_MODE, the renderer will occasianally check textures usage. If they are not
  + * If set to GC_MODE, the renderer will occasionally check textures usage. If they are not
  * used for a specified period of time they will be removed from the GPU. They will of course
  * be uploaded again when they are required. This is a silent behind the scenes process that
  * should ensure that the GPU does not get filled up.
  