diff --git a/tracker/tracker.go b/tracker/tracker.go
index 1176c29..48b8a3a 100644
--- a/tracker/tracker.go
+++ b/tracker/tracker.go
@@ -246,6 +246,7 @@ func (it *Iterator) Next(descend bool) bool {
 	return ret
 }
 
+// Bounds returns the bounds of the underlying PrefixBoundIterator, if any
 func (it *Iterator) Bounds() ([]byte, []byte) {
 	if impl, ok := it.NodeIterator.(*iter.PrefixBoundIterator); ok {
 		return impl.Bounds()