message: clarify instancearray doc
diff: @@ -7,7 +7,7 @@ use super::{
  };
  use crevice::std430::{AsStd430, Std430};
  -/// Array of instances for fast rendering.
  +/// Array of instances for fast rendering of many meshes.
  ///
  /// Traditionally known as a "batch".
  #[derive(Debug)]
  