Added Damm algorithm

2 files changed, 3 insertions, 3 deletions

diff --git a/verhoeff/verhoeff.go b/verhoeff/verhoeff.go
index 259a7df..1bc5281 100644
--- a/verhoeff/verhoeff.go
+++ b/verhoeff/verhoeff.go
@@ -33,7 +33,7 @@ var p = [8][10]int{
 
 var inv = [10]int{0, 4, 3, 2, 1, 5, 6, 7, 8, 9}
 
-// Check number is correct by luhn algorithm
+// Check number is correct by verhoeff algorithm
 func Check(number string) error {
 	c := 0
 	numbers := strings.Split(number, "")
diff --git a/verhoeff/verhoeff_test.go b/verhoeff/verhoeff_test.go
index 7678b1f..005caf0 100644
--- a/verhoeff/verhoeff_test.go
+++ b/verhoeff/verhoeff_test.go
@@ -18,7 +18,7 @@ func TestVerhoeff(t *testing.T) {
 	}
 	for num, result := range samples {
 		if err := Check(num); err != result {
-			t.Errorf("Expected %+v actual %+v", result, err)
+			t.Errorf("Expected %+v actual %+v for %s", result, err, num)
 		}
 	}
 
@@ -29,6 +29,6 @@ func TestVerhoeff(t *testing.T) {
 	}
 	numberWithChecksum := num + checksum
 	if err := Check(numberWithChecksum); err != nil {
-		t.Errorf("Expected no error actual %+v", err)
+		t.Errorf("Expected no error actual %+v for %s", err, numberWithChecksum)
 	}
 }