Typo in comment only. Spotted by sjanssen on #haskell.
- A lower [delta] leads to a more 'perfectly' balanced tree.
- A higher [delta] performs less rebalancing.
- - Balancing is automaic for random data and a balancing
+ - Balancing is automatic for random data and a balancing
scheme is only necessary to avoid pathological worst cases.
Almost any choice will do, and in practice, a rather large
[delta] may perform better than smaller one.