The trinket Cold Basilisk Eye

Its effects are
Use: Increases time between target's attacks by 5% for 15 sec. (cooldown 5 min)
Doesnt that mean it actually HELPS the enemy since it slows the enemy's attacks thus making his hits harder?
Use: Increases time between target's attacks by 5% for 15 sec. (cooldown 5 min)
Doesnt that mean it actually HELPS the enemy since it slows the enemy's attacks thus making his hits harder?