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/po/README.txt b/src/po/README.txt
index 8ec1b59..039038b 100644
--- a/src/po/README.txt
+++ b/src/po/README.txt
@@ -41,7 +41,7 @@
 WHEN THERE IS A MISTAKE
 
 If you find there is a mistake in one of the translations, please report this
-to the maintainer of the translation.  His/her E-mail address is in the
+to the maintainer of the translation.  His/her e-mail address is in the
 comments at the start of the file.  You can also see this with the ":messages"
 command in Vim when the translation is being used.