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/testdir/test_substitute.vim b/src/testdir/test_substitute.vim
index 920473d..b99d0e0 100644
--- a/src/testdir/test_substitute.vim
+++ b/src/testdir/test_substitute.vim
@@ -1448,7 +1448,7 @@
   let bufnr = bufnr('%')
   put ="abcdef"
   silent! s/\%')/\=R()
-  call assert_fails(':%s/./\=R()/g', 'E565')
+  call assert_fails(':%s/./\=R()/g', 'E565:')
   delfunc R
   exe bufnr .. "bw!"
 endfunc