diff --git a/lib/fog/rackspace/monitoring.rb b/lib/fog/rackspace/monitoring.rb
index fe3d8c1f1..6e762b58e 100644
--- a/lib/fog/rackspace/monitoring.rb
+++ b/lib/fog/rackspace/monitoring.rb
@@ -1,3 +1,7 @@
+# This class originally came from the rackspace-monitoring gem located here:
+# https://github.com/racker/rackspace-monitoring-rb
+# It has been heavily modified for import into Fog master.
+
 require 'fog'
 require 'fog/core'