diff --git a/Casks/telegram.rb b/Casks/telegram.rb
index 8246b68b4bd..2bf22e8f025 100644
--- a/Casks/telegram.rb
+++ b/Casks/telegram.rb
@@ -5,7 +5,7 @@ cask :v1 => 'telegram' do
   url 'https://rink.hockeyapp.net/api/2/apps/c55f5e74ae5d0ad254df29f71a1b5f0e/?format=zip'
   appcast 'https://rink.hockeyapp.net/api/2/apps/c55f5e74ae5d0ad254df29f71a1b5f0e'
   homepage 'https://vk.com/telegram_osx'
-  license :unknown
+  license :unknown    # todo: improve this machine-generated value
 
   app 'Telegram.app'
 end