diff --git a/docs/tutorial/03-adding-a-ball.md b/docs/tutorial/03-adding-a-ball.md
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-id: 03-adding-a-ball
-description: Part three of a tutorial on how to build a simple Pong clone with Tetra.
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-
 # Adding a Ball
 
 In the [previous chapter](./02-adding-the-paddles.md), we added paddles to the game - but they've got nothing to hit! Let's finish things off.