Update util.go
fix comment
@@ -62,7 +62,7 @@ func Hasher() func(string) (string, error) {
return hasher
}
-// Hasher returns a hash function, which only looks at mtime to determine if a file has changed
+// MtimeHasher returns a hash function, which only looks at mtime to determine if a file has changed
func MtimeHasher() func(string) (string, error) {
hasher := func(p string) (string, error) {
h := md5.New()
