[wiki] [sites] Fix header || Jochen Sprickerhof

[git]

commit 346993e10e90a48b9daba0320fe13ba892cd610a
Author: Jochen Sprickerhof <g...@jochen.sprickerhof.de>
Date:   Mon May 3 17:26:07 2021 +0200

    Fix header

diff --git a/surf.suckless.org/patches/proxyconfig/index.md 
b/surf.suckless.org/patches/proxyconfig/index.md
index 92dcd6ae..87291e0c 100644
--- a/surf.suckless.org/patches/proxyconfig/index.md
+++ b/surf.suckless.org/patches/proxyconfig/index.md
@@ -1,5 +1,5 @@
 proxyconfig
-===================
+===========
 
 Description
 -----------