[adwaita-icon-theme: 1/2] Fix 404 links

[Jakub Steiner <jimmac src gnome org>]

commit 3fc5394bffbbccdd5c8e87e74d4580fd8a48ad17
Author: Ícar N.S <icar nin gmail com>
Date:   Thu Sep 23 01:04:09 2021 +0000

    Fix 404 links
    
    Split the old link in two links: one for UI Icons and one for App Icons.

 README.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/README.md b/README.md
index 97c02864..fa71ad47 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ If you're a core GNOME application maintainer and you have an icon need that bri
 
 
 ## Fullcolor vs symbolic
-For an up to date guide on how to use and how to design GNOME style icons, see the [GNOME User Interface 
Guidelines](https://developer.gnome.org/hig/stable/icons-and-artwork.html.en).
+For an up to date guide on how to use and how to design GNOME style icons, see the GNOME User Interface 
Guidelines: [UI Icons](https://developer.gnome.org/hig/guidelines/ui-icons.html) and [App 
Icons](https://developer.gnome.org/hig/guidelines/app-icons.html).
 
 ## Building and Contributing to Adwaita
 Symbolic icons are no longer maintained using hand rolled ruby script and inkscape to render them out, but 
instead shares the same workflow as 3rd party symbolics, the [icon 
devkit](https://gitlab.gnome.org/Teams/Design/icon-development-kit).
@@ -26,4 +26,4 @@ Gtk doesn't care about the colors you define for the icon. They are recolored at
 
 - `warning` - this maps to gtk `@warning_color`
 - `error` - maps to `@error_color`
-- `success` - maps to `@success_color`
\ No newline at end of file
+- `success` - maps to `@success_color`