diff --git a/lazy.go b/lazy.go
index 40006f8..db5bc7e 100644
--- a/lazy.go
+++ b/lazy.go
@@ -292,6 +292,8 @@ func kindToRandom(field reflect.StructField) any {
 	return nil
 }
 
+// a quick and dirty rng function to determine if nulltypes are null or
+// if we will generate a random value
 func isNull() bool {
 	x := rand.IntN(2)
 	if x%2 == 0 {