wip readme presentation

README.md

@@ -80,7 +80,7 @@ How it works :
 
 ![](assets/raycast_steps_round.gif)
 
-6. but you can also see that walls are rounded, like a fish eye effect. It's because rays change length while scanning the wall, so we must apply a correction to the angle
+6. but you can also see that walls are rounded, like a fish eye effect. It's because rays change length while scanning the wall, so we must apply a correction according to the angle
 
 ![](assets/raycast_steps.gif)