diff --git a/Casks/diskmaker-x.rb b/Casks/diskmaker-x.rb
index 906d1bc15df..f4e8f5ba3d7 100644
--- a/Casks/diskmaker-x.rb
+++ b/Casks/diskmaker-x.rb
@@ -4,7 +4,7 @@ cask :v1 => 'diskmaker-x' do
 
   url "http://diskmakerx.com/downloads/DiskMakerX#{version}.dmg"
   homepage 'http://diskmakerx.com/'
-  license :unknown    # todo: improve this machine-generated value
+  license :unknown    # todo: change license and remove this comment; ':unknown' is a machine-generated placeholder
 
   app "DiskMaker X #{version}.app"
 end