diff --git a/Casks/gnucash.rb b/Casks/gnucash.rb
index 4cb64652612..4bf419d1966 100644
--- a/Casks/gnucash.rb
+++ b/Casks/gnucash.rb
@@ -2,6 +2,7 @@ cask :v1 => 'gnucash' do
   version '2.6.5-6'
   sha256 '84a55674ef9a78b0aebf530017cca31204d1270110675c916bee0fb8d838030a'
 
+  # sourceforge.net is the official download host per the vendor homepage
   url "http://downloads.sourceforge.net/sourceforge/gnucash/Gnucash-Intel-#{version}.dmg"
   homepage 'http://www.gnucash.org'
   license :oss