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/src/mouse.c b/src/mouse.c
index c9e96c9..aa06e6c 100644
--- a/src/mouse.c
+++ b/src/mouse.c
@@ -2162,7 +2162,7 @@
 do_mousescroll_horiz(long_u leftcol)
 {
     if (curwin->w_p_wrap)
-	return FALSE;  // no wrapping, no scrolling
+	return FALSE;  // no horizontal scrolling when wrapping
 
     if (curwin->w_leftcol == (colnr_T)leftcol)
 	return FALSE;  // already there