Writing-MiniGUI-Apps-for-64-bit-Platforms.md

@@ -14,7 +14,7 @@ Table of Contents
     + [Window callback procedure](#window-callback-procedure)
     + [Notification callback procedure](#notification-callback-procedure)
     + [Time and timer](#time-and-timer)
-- [Writing Compatible Code](#writing-compatible-code)
+- [Writing Portable Code](#writing-portable-code)
 
 ## Overview
 
@@ -244,7 +244,7 @@ to
 typedef BOOL (* TIMERPROC)(HWND, LINT, DWORD)
 ```
 
-## Writing Compatible Code
+## Writing Portable Code
 
 Note that you should use `(-1)` instead of `0xFFFFFFFF` for the invalid
 integer or pointer type value for good portability.