The metric prefix "hecto..." means 100.
1 hectoliter = 100 liters
The metric prefic "kilo..." means 1,000.
1 kiloliter = 1,000 liters
1 hecto liter = 0.1 kiloliter
(To many people, the phrase "10 times smaller" is confusing and misleading, while to others, it is completely meaningless.)