diff --git a/defaults.go b/defaults.go
index 0009a1c3..7e8948c5 100644
--- a/defaults.go
+++ b/defaults.go
@@ -243,7 +243,7 @@ func IsSubDomain(parent, child string) bool {
 func IsFqdn(s string) bool {
 	l := len(s)
 	if l == 0 {
-		return false // ?
+		return false
 	}
 	return s[l-1] == '.'
 }