diff --git a/internal/strdist/strdist.go b/internal/strdist/strdist.go
index 8bcd8ac3..f47253e2 100644
--- a/internal/strdist/strdist.go
+++ b/internal/strdist/strdist.go
@@ -31,11 +31,10 @@ func StandardCost(ar, br rune) Cost {
 // Distance returns the edit distance between two strings. The cost per edit is
 // given by the costFunc argument.
 //
-// There is an optional cut argument that when set will finish the computation
-// as early as possible once the final cost is certain to be >= cut. There is
-// no guarantee about the exact cost returned when this is the case other than
-// being >= cut. In particular, when cut is used, the function is not symmetric
-// on a and b.
+// When cut > 0, the computation will finish as early as possible once the
+// final cost is certain to be >= cut. There is no guarantee about the exact
+// cost returned when this is the case other than being >= cut. In particular,
+// when cut is used, the function is not symmetric on a and b.
 func Distance(a, b string, f CostFunc, cut int64) int64 {
 	if a == b {
 		return 0