[wiki] [sites] Fixed markdown formatting typo in index.md || KNIX 3

[git]

commit aa912077f52f3c1643b4cfb591fab83a06edad7a
Author: KNIX 3 <n...@protonmail.com>
Date:   Sun Jun 13 16:57:53 2021 -0400

    Fixed markdown formatting typo in index.md

diff --git 
a/tools.suckless.org/slock/patches/foreground-and-background/index.md 
b/tools.suckless.org/slock/patches/foreground-and-background/index.md
index a0accb7c..9d2146fb 100644
--- a/tools.suckless.org/slock/patches/foreground-and-background/index.md
+++ b/tools.suckless.org/slock/patches/foreground-and-background/index.md
@@ -1,5 +1,5 @@
 Foreground or Background
-========
+========================
 
 Description
 -----------