diff --git a/runtime/doc/windows.txt b/runtime/doc/windows.txt
index 96602c9..93757a2 100644
--- a/runtime/doc/windows.txt
+++ b/runtime/doc/windows.txt
@@ -1,4 +1,4 @@
-*windows.txt*   For Vim version 7.0aa.  Last change: 2006 Mar 01
+*windows.txt*   For Vim version 7.0aa.  Last change: 2006 Mar 11
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -732,11 +732,12 @@
 function.
 {not available when compiled without the |+quickfix| feature}
 
-There can be only one preview window.  It is created with one of the commands
-below.  The 'previewheight' option can be set to specify the height of the
-preview window when it's opened.  The 'previewwindow' option is set in the
-preview window to be able to recognize it.  The 'winfixheight' option is set
-to have it keep the same height when opening/closing other windows.
+There can be only one preview window (per tab page).  It is created with one
+of the commands below.  The 'previewheight' option can be set to specify the
+height of the preview window when it's opened.  The 'previewwindow' option is
+set in the preview window to be able to recognize it.  The 'winfixheight'
+option is set to have it keep the same height when opening/closing other
+windows.
 
 						*:pta* *:ptag*
 :pta[g][!] [tagname]