diff --git a/src/render/mod.rs b/src/render/mod.rs
index f7993a6..8524775 100644
--- a/src/render/mod.rs
+++ b/src/render/mod.rs
@@ -10,5 +10,7 @@ pub use gpustate::GPUState;
 pub use sprite::{Sprite, Spriteable, SubSprite};
 
 /// A handle to a sprite texture
+/// TODO: This should be easy to copy,
+/// but string references create unnecessary complexity
 #[derive(Debug, Clone)]
 pub struct SpriteTexture(pub String);