patch 9.0.1886: Various Typos

Problem:  Various Typos
Solution: Fix Typos

This is a collection of typo related commits.

closes: #12753
closes: #13016

Co-authored-by: Adri Verhoef <a3@a3.xs4all.nl>
Co-authored-by: zeertzjq <zeertzjq@outlook.com>
Co-authored-by: Viktor Szépe <viktor@szepe.net>
Co-authored-by: nuid64 <lvkuzvesov@proton.me>
Co-authored-by: Meng Xiangzhuo <aumo@foxmail.com>
Co-authored-by: Dominique Pellé <dominique.pelle@gmail.com>

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/windows.txt b/runtime/doc/windows.txt
index 924a932..74cec42 100644
--- a/runtime/doc/windows.txt
+++ b/runtime/doc/windows.txt
@@ -189,7 +189,7 @@
 		it doesn't!
 
 CTRL-W n						*CTRL-W_n*
-CTRL-W CTRL_N						*CTRL-W_CTRL-N*
+CTRL-W CTRL-N						*CTRL-W_CTRL-N*
 :[N]new [++opt] [+cmd]					*:new*
 		Create a new window and start editing an empty file in it.
 		Make new window N high (default is to use half the existing