diff --git a/sdk/include/reactos/idl/pnp.idl b/sdk/include/reactos/idl/pnp.idl
index b166551d1a8..2839017e039 100644
--- a/sdk/include/reactos/idl/pnp.idl
+++ b/sdk/include/reactos/idl/pnp.idl
@@ -925,6 +925,8 @@ cpp_quote("#if _WIN32_WINNT >= 0x0501")
         [out] DWORD *pulSSDIFlags,
         [in] DWORD ulFlags);
 
+    /* Functions 65 to 74 are Vista+, see r63565 */
+
 cpp_quote("#endif /* _WIN32_WINNT >= 0x0501 */")
 
 }