Corrected note to sat lifeform

src/main.rs

@@ -63,7 +63,7 @@ fn initialise_lifeforms(world: &mut World, sprite_sheet: Handle<SpriteSheet>) {
     // Assign the sprites for the lifeform
     let sprite_render = SpriteRender {
         sprite_sheet: sprite_sheet.clone(),
-        sprite_number: 0, // paddle is the first sprite in the sprite_sheet
+        sprite_number: 0, // lifeform is the first sprite in the sprite_sheet
     };
 
     // Create a life form entity.