vimrc: Documentation improvement.

diff --git a/vimrc b/vimrc
index f469e3992cbf67e99ebb03086af1050bea92c01c..7d8ebf35f983f408c538fcfee99dcf48cc25dede 100644 (file)
--- a/vimrc
+++ b/vimrc
@@ -173,7 +173,8 @@ else
 endif
 
 " Make sure xa0 (alt + space) is automatically changed to a normal whitespace
-" if pressed accidentally while in insert mode (happens on Mac sometimes).
+" if pressed accidentally while in insert mode (happens on Mac when alt
+" doesn't send escape).
 if has("mac")
     imap <Char-0xa0> <Space>
 endif