diff --git a/runtime/doc/windows.txt b/runtime/doc/windows.txt
index 3c695e6..fac7381 100644
--- a/runtime/doc/windows.txt
+++ b/runtime/doc/windows.txt
@@ -1,4 +1,4 @@
-*windows.txt*   For Vim version 8.0.  Last change: 2016 Oct 21
+*windows.txt*   For Vim version 8.0.  Last change: 2016 Dec 01
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -696,6 +696,8 @@
 		- If the file is not open in a window edit the file in the
 		  current window.  If the current buffer can't be |abandon|ed,
 		  the window is split first.
+		- Windows that are not in the argument list or are not full
+		  width will be closed if possible.
 		The |argument-list| is set, like with the |:next| command.
 		The purpose of this command is that it can be used from a
 		program that wants Vim to edit another file, e.g., a debugger.