[seahorse] README: linkify GNOME.

[Niels De Graef <nielsdg src gnome org>]

commit 744695234e754912b91f1ebbbae14a30ce450447
Author: Niels De Graef <nielsdegraef gmail com>
Date:   Sat Nov 4 00:03:42 2017 +0100

    README: linkify GNOME.

 README.md |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/README.md b/README.md
index 6d54644..8b07d10 100644
--- a/README.md
+++ b/README.md
@@ -4,8 +4,9 @@ Currently it supports PGP keys (using GPG/GPGME) and SSH keys. Its goal is to
 provide an easy to use Key Management Tool, along with an easy to use interface
 for encryption operations.
 
-Seahorse is integrated into the GNOME Desktop Environment and allows users to
-perform operations from their regular applications, like nautilus or gedit.
+Seahorse is integrated into the [GNOME Desktop Environment](https://www.gnome.org)
+and allows users to perform operations from their regular applications, like
+nautilus or gedit.
 
 ## Building
 You can build and install Seahorse by issuing the following commands: