diff --git a/Casks/yemuzip.rb b/Casks/yemuzip.rb
index b27ad788f2f..35942f092ea 100644
--- a/Casks/yemuzip.rb
+++ b/Casks/yemuzip.rb
@@ -5,7 +5,7 @@ cask :v1 => 'yemuzip' do
   url 'http://www.yellowmug.com/download/YemuZip.dmg'
   appcast 'http://yellowmug.com/yemuzip/appcast.xml'
   homepage 'http://www.yellowmug.com/yemuzip'
-  license :unknown    # todo: improve this machine-generated value
+  license :unknown    # todo: change license and remove this comment; ':unknown' is a machine-generated placeholder
 
   app 'YemuZip.app'
 end