[gtk-web/new-website] Reword the description meta-element

[Emmanuele Bassi <ebassi src gnome org>]

commit c5e535a0cd46819af5123bcf625e65a421fc6ce7
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Tue Jan 7 18:54:01 2020 +0000

    Reword the description meta-element
    
    We are not a cross-platform toolkit: we are a portable toolkit.

 _includes/header.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/_includes/header.html b/_includes/header.html
index b9972a6..8120b3e 100644
--- a/_includes/header.html
+++ b/_includes/header.html
@@ -17,7 +17,7 @@ this file contains all the metadata about the website, links to stylesheets and
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
        <meta http-equiv="Content-Language" content="en-us">
        <meta name="author" content="The GTK Team">
-       <meta name="description" content="GTK is a highly usable, feature rich toolkit for creating graphical 
user interfaces which boasts cross platform compatibility and an easy to use API. GTK is licensed under the 
GNU LGPL 2.1 allowing development of both free and proprietary software with GTK without any license fees or 
royalties.">
+       <meta name="description" content="GTK is a highly usable, feature rich toolkit for creating portable 
graphical user interfaces and an easy to use API. GTK is licensed under the GNU LGPL 2.1 allowing development 
of both free and proprietary software using GTK without any license fees or royalties.">
        <meta name="keywords" content="gtk, gtk, gimp, gnome, toolkit, user interface"> 
        <link rel="icon" href="{{ '/assets/img/favicon-gtk.ico' | prepend: site.url }}" type="image/x-icon">
        <link rel="shortcut icon" href="{{ '/assets/img/favicon-gtk.ico' | prepend: site.url }}" 
type="image/x-icon">