Update runtime files
diff --git a/runtime/tutor/tutor.zh.big5 b/runtime/tutor/tutor.zh.big5
index 3b9753a..3869b4e 100644
--- a/runtime/tutor/tutor.zh.big5
+++ b/runtime/tutor/tutor.zh.big5
@@ -778,7 +778,7 @@
   1. ¶}©l½s¿èvimrc¤å¥ó¡A³o¨ú¨M¤_±z©Ò¨Ï¥Îªº¾Þ§@¨t²Î¡J
 
      :edit ~/.vimrc		³o¬OUnix¨t²Î©Ò¨Ï¥Îªº©R¥O
-     :edit $VIM/_vimrc		³o¬OWindows¨t²Î©Ò¨Ï¥Îªº©R¥O
+     :edit ~/_vimrc		³o¬OWindows¨t²Î©Ò¨Ï¥Îªº©R¥O
 
   2. ±µµÛ¾É¤Jvimrc­S¨Ò¤å¥ó¡J