[gnome-builder] doc: add artists to credits

[Christian Hergert <chergert src gnome org>]

commit a72299db45a4ac4e322c8b70c20dbe3d22efafce
Author: Christian Hergert <chergert redhat com>
Date:   Wed Mar 8 21:30:27 2017 -0800

    doc: add artists to credits

 doc/credits.rst |   12 ++++++++----
 1 files changed, 8 insertions(+), 4 deletions(-)
---
diff --git a/doc/credits.rst b/doc/credits.rst
index fae93fa..7acfe02 100644
--- a/doc/credits.rst
+++ b/doc/credits.rst
@@ -2,11 +2,15 @@
 Credits
 #######
 
-Builder was started by Christian Hergert in 2014 improve the quality of
-software for the GNOME ecosystem. Many contributors have helped create
-and improve Builder to the state you find it today.
+Builder was started by Christian Hergert in 2014 to improve the quality of software for the GNOME ecosystem.
+Many contributors have helped create and improve Builder to the state you find it today.
 
-Some of those contributors can be found below.
+Artwork by
+
+.. include:: ../ARTISTS
+   :literal:
+
+Code and documentation by
 
 .. include:: ../AUTHORS
    :start-line: 2