diff --git a/desktop/gimp.appdata.xml.in b/desktop/gimp.appdata.xml.in
index a5268e4a9c..08db6bb3db 100644
--- a/desktop/gimp.appdata.xml.in
+++ b/desktop/gimp.appdata.xml.in
@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!-- Copyright 1995-2017 Spencer Kimball, Peter Mattis, and others -->
 <component type="desktop">
   <id>gimp.desktop</id>