Drop 'That's the whole demo.'

README.md

@@ -13,7 +13,7 @@ tags:
 
 # Diffusion Pong
 
-A small action-conditioned world model that learned to keep a Pong match going. You hold **W** / **S**, it invents the next frame. That's the whole demo.
+A small action-conditioned world model that learned to keep a Pong match going. You hold **W** / **S**, it invents the next frame.
 
 ![demo](demo.gif)