diff --git a/runtime/doc/insert.txt b/runtime/doc/insert.txt
index aa11ba7..3c0f8d3 100644
--- a/runtime/doc/insert.txt
+++ b/runtime/doc/insert.txt
@@ -1,4 +1,4 @@
-*insert.txt*    For Vim version 7.3.  Last change: 2010 Sep 29
+*insert.txt*    For Vim version 7.3.  Last change: 2010 Oct 27
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -382,6 +382,10 @@
 will then always put the cursor on it).  Or use CTRL-\ CTRL-O, but then
 beware of the cursor possibly being beyond the end of the line.
 
+The CTRL-O command takes you to Normal mode.  If you then use a command enter
+Insert mode again it doesn't nest.  Thus when typing "a<C-O>a" and then <Esc>
+takes you back to Normal mode, you do not need to type <Esc> twice.
+
 The shifted cursor keys are not available on all terminals.
 
 Another side effect is that a count specified before the "i" or "a" command is
@@ -1043,7 +1047,8 @@
 the preview window when "preview" appears in 'completeopt'.  The "info" item
 will also remain displayed after the popup menu has been removed.  This is
 useful for function arguments.  Use a single space for "info" to remove
-existing text in the preview window.
+existing text in the preview window.  The size of the preview window is three
+lines, but 'previewheight' is used when it has a value of 1 or 2.
 
 The "kind" item uses a single letter to indicate the kind of completion.  This
 may be used to show the completion differently (different color or icon).