Historique de l'étape n° 8 de How to Rotate Your Tires

-	[* black] Using an air compressor and a air pressure gauge fill the front tires to *35 psi* and ~~release air out of~~ the rear tires to *32 psi*.
+	[* black] Using an air compressor and the air pressure gauge, fill the front tires to *35 psi* and the rear tires to *32 psi*.