diff --git a/sample/stackframe.cpp b/sample/stackframe.cpp
index 922bde5..32341e0 100644
--- a/sample/stackframe.cpp
+++ b/sample/stackframe.cpp
@@ -8,6 +8,7 @@
 struct Code : public Xbyak::CodeGenerator {
 	Code()
 	{
+		// see xbyak/sample/sf_test.cpp for how to use other parameter
 		Xbyak::util::StackFrame sf(this, 3);
 		mov(rax, sf.p(0));
 		add(rax, sf.p(1));