diff --git a/Casks/tuneup.rb b/Casks/tuneup.rb
index dc4f34400ec..942dc44ceba 100644
--- a/Casks/tuneup.rb
+++ b/Casks/tuneup.rb
@@ -2,7 +2,7 @@ cask 'tuneup' do
   version '2.5.3.0'
   sha256 '8a2722d8719323d692c4a14935d945a3e42946aa9abd8a772fbd3737e4698b5d'
 
-  # cloudfront.net is the official download host per the vendor homepage
+  # dvk2ozaytrec6.cloudfront.net was verified as official when first introduced to the cask
   url "https://dvk2ozaytrec6.cloudfront.net/mac4/Sparkle/TuneUp-Installer-#{version.major_minor}.0.zip"
   appcast 'https://dvk2ozaytrec6.cloudfront.net/mac4/appcast.xml',
           checkpoint: 'fa140f16451aa2604c86fe4f1eed48c80dc183618152552c633dbe3c864ec4f2'