Small Singed buff i thought of while commuting

Currently his W only provides a slow that scales with skill points. The thought was why not give him a small movement speed boost while running on the adhesive. This would not throw him into the OP category but it might help his win rate?

Mega Adhesive

ACTIVE: Singed covers the target area in a potent adhesive for 5 seconds, Slow icon slowing all enemies within for the duration. SLOW: 35% / 45% / 55% / 65% / 75% new BONUS MOVEMENT SPEED: 10% / 12.5% / 15% / 17.5% / 20%