diff --git a/hashes.go b/hashes.go
index 8f72209..1ba82d7 100644
--- a/hashes.go
+++ b/hashes.go
@@ -6,11 +6,9 @@ import (
 	"hash/fnv"
 )
 
-// For a specific hashing function to be (re)defined.
-type Hash func(buckets []int) uint64
+type Hash64 func(buckets []int) uint64
 
-// Fnva64 is a specific hash implementation, which returns
-// a FVN-1a hash for a slice of bucket numbers.
+// Fnva64 returns a FVN-1a hash for a slice of bucket numbers.
 func Fnva64(buckets []int) uint64 {
 	var b bytes.Buffer
 	gob.NewEncoder(&b).Encode(buckets)
@@ -19,8 +17,8 @@ func Fnva64(buckets []int) uint64 {
 	return hash.Sum64()
 }
 
-// HashSet returns a slice of hashes for a tree of bucket ids.
-func HashSet(tree [][]int, hash Hash) (hs []uint64) {
+// Hashes64 returns a set of hashes for a tree of bucket ids.
+func Hashes64(tree [][]int, hash Hash64) (hs []uint64) {
 	for i := 0; i < len(tree); i++ {
 		hs = append(hs, hash(tree[i]))
 	}