diff --git a/internal/util/unsafe.go b/internal/util/unsafe.go
index c2dd105..87f4ab6 100644
--- a/internal/util/unsafe.go
+++ b/internal/util/unsafe.go
@@ -8,7 +8,7 @@ import (
 
 // Ptr returns the pointer to these things:
 //   - First element of a slice or array, nil if it has zero length;
-//   - The pointer itself if the parameter is a pointer, pointing to an scalar value.
+//   - The pointer itself if the parameter is a pointer/uintptr, pointing to an scalar value.
 // It panics otherwise.
 func Ptr(d interface{}) (addr unsafe.Pointer) {
 	if d == nil {