X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/19ae770973482257117fe8ded5619c3018c4b60f..98d6c8c5743e0fd6be85af3b9f30286a358bd1d4:/doc/examples/ruby/list-active-nodes.rb

diff --git a/doc/examples/ruby/list-active-nodes.rb b/doc/examples/ruby/list-active-nodes.rb
index 472a0c3fd7..a3eb20540b 100755
--- a/doc/examples/ruby/list-active-nodes.rb
+++ b/doc/examples/ruby/list-active-nodes.rb
@@ -1,4 +1,7 @@
 #!/usr/bin/env ruby
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: CC-BY-SA-3.0
 
 abort 'Error: Ruby >= 1.9.3 required.' if RUBY_VERSION < '1.9.3'