[mutter] Update Architectural Overview

[Jonas Ådahl <jadahl src gnome org>]

commit 4674c3721a5b1d2dd06bcf6db2d882b10f7058b6
Author: Jonas Ådahl <jadahl gmail com>
Date:   Sun Oct 11 11:06:36 2020 +0000

    Update Architectural Overview

 Architectural-Overview.md | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/Architectural-Overview.md b/Architectural-Overview.md
index f572fc5..cbdf1c5 100644
--- a/Architectural-Overview.md
+++ b/Architectural-Overview.md
@@ -2,14 +2,14 @@
 
 Mutter consists of three relatively distinguished and isolated parts.
 
-### [Cogl](cogl)
+### [Cogl](Cogl)
 
 Hardware acceleration pipeline abstraction layer. Handles things like allocating framebuffer, allocating, 
importing and drawing textures, internally using OpenGL. Originally a fork of [the Cogl 
project](https://gitlab.gnome.org/GNOME/cogl).
 
-### [Clutter](clutter)
+### [Clutter](Clutter)
 
 Compositing toolkit, containing an actor and render node based scene graph, and has features such as input 
event routing, transformation and animation. Handles compositing, both Wayland surfaces, X11 windows, and is 
the basis of the UI toolkit implemented by [GNOME Shell](https://gitlab.gnome.org/GNOME/gnome-shell). 
Originally a fork of [the Clutter project](https://gitlab.gnome.org/GNOME/clutter).
 
-### [Mutter](mutter)
+### [Mutter](Mutter)
 
 The display server and window manager library. Contains a X11 window manager and compositing manager 
implementation, as well as a Wayland display server implementation.
\ No newline at end of file