diff --git a/Casks/pikopixel.rb b/Casks/pikopixel.rb
index 2fb341b32..f0e8cecfd 100644
--- a/Casks/pikopixel.rb
+++ b/Casks/pikopixel.rb
@@ -4,7 +4,7 @@ cask :v1 => 'pikopixel' do
 
   url "http://twilightedge.com/downloads/PikoPixel#{version}.dmg"
   homepage 'http://twilightedge.com/mac/pikopixel/index.html'
-  license :unknown
+  license :unknown    # todo: improve this machine-generated value
 
   app 'PikoPixel.app'
 end