[PR PATCH] Manual.md: make section concerning quoting version and pkgname clearer

[Bnyro <Bnyro@users.noreply.github.com>]

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There is a new pull request by Bnyro against master on the void-packages repository

https://github.com/Bnyro/void-packages dont-quote-pkgname-and-version
https://github.com/void-linux/void-packages/pull/45603

Manual.md: make section concerning quoting version and pkgname clearer
The current description might be a bit difficult to understand for new contributors due to some grammatical things that could result in it to be understood in the wrong way.

`[...] which make it necessary to quote them` somewhat could be interpreted that you actually should quote them.
The rest are just minor grammar changes.

A patch file from https://github.com/void-linux/void-packages/pull/45603.patch is attached

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From 733879600207983af8a285874ca0670ed245d072 Mon Sep 17 00:00:00 2001
From: Bnyro <82752168+Bnyro@users.noreply.github.com>
Date: Mon, 14 Aug 2023 13:33:29 +0200
Subject: [PATCH] Manual.md: make section concerning quoting version and
 pkgname clearer

---
 Manual.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Manual.md b/Manual.md
index 5a183e6c3d183..b3deacc6d344e 100644
--- a/Manual.md
+++ b/Manual.md
@@ -441,8 +441,8 @@ the generated `binary packages` have been modified.
 - `version` A string with the package version. Must not contain dashes or underscore
 and at least one digit is required. Shell's variable substitution usage is not allowed.
 
-Neither `pkgname` or `version` should contain special characters which make it
-necessary to quote them, so they shouldn't be quoted in the template.
+Neither `pkgname` nor `version` should contain special characters that would make it
+necessary to quote them, hence they should not be quoted in the template.
 
 <a id="optional_vars"></a>
 #### Optional variables