diff --git a/runtime/doc/builtin.txt b/runtime/doc/builtin.txt
index 1ee2dcb..372fa1f 100644
--- a/runtime/doc/builtin.txt
+++ b/runtime/doc/builtin.txt
@@ -1,4 +1,4 @@
-*builtin.txt*	For Vim version 9.0.  Last change: 2022 Oct 21
+*builtin.txt*	For Vim version 9.0.  Last change: 2022 Nov 09
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -1321,7 +1321,8 @@
 
 	echo "A window containing buffer 1 is " .. (bufwinid(1))
 <
-		Only deals with the current tab page.
+		Only deals with the current tab page.  See |win_findbuf()| for
+		finding more.
 
 		Can also be used as a |method|: >
 			FindBuffer()->bufwinid()
@@ -1589,7 +1590,7 @@
 		column is one higher if the cursor is after the end of the
 		line.  Also, when using a <Cmd> mapping the cursor isn't
 		moved, this can be used to obtain the column in Insert mode: >
-			:imap <F2> <Cmd>echo col(".")<CR>
+			:imap <F2> <Cmd>echowin col(".")<CR>
 
 <		Can also be used as a |method|: >
 			GetPos()->col()
@@ -2773,7 +2774,7 @@
 float2nr({expr})					*float2nr()*
 		Convert {expr} to a Number by omitting the part after the
 		decimal point.
-		{expr} must evaluate to a |Float| or a Number.
+		{expr} must evaluate to a |Float| or a |Number|.
 		Returns 0 if {expr} is not a |Float| or a |Number|.
 		When the value of {expr} is out of range for a |Number| the
 		result is truncated to 0x7fffffff or -0x7fffffff (or when
@@ -10204,6 +10205,7 @@
 		FALSE otherwise.
 		This will fail for the rightmost window and a full-width
 		window, since it has no separator on the right.
+		Only works for the current tab page. *E1308*
 
 		Can also be used as a |method|: >
 			GetWinnr()->win_move_separator(offset)
@@ -10218,6 +10220,7 @@
 		movement may be smaller than specified (e.g., as a consequence
 		of maintaining 'winminheight'). Returns TRUE if the window can
 		be found and FALSE otherwise.
+		Only works for the current tab page.
 
 		Can also be used as a |method|: >
 			GetWinnr()->win_move_statusline(offset)