diff --git a/Casks/wireshark.rb b/Casks/wireshark.rb
index 022c1af92f7..864e33cb440 100644
--- a/Casks/wireshark.rb
+++ b/Casks/wireshark.rb
@@ -4,7 +4,7 @@ cask :v1 => 'wireshark' do
 
   url "https://www.wireshark.org/download/osx/Wireshark%20#{version}%20Intel%2064.dmg"
   homepage 'http://www.wireshark.org'
-  license :unknown
+  license :unknown    # todo: improve this machine-generated value
 
   pkg "Wireshark #{version} Intel 64.pkg"
   postflight do