diff --git a/Library/Homebrew/cask/lib/hbc/qualified_token.rb b/Library/Homebrew/cask/lib/hbc/qualified_token.rb
index ccfe08b451df362af959e8f90baa39605d394aa0..b9329eeb7321907960f806db4b69332336632180 100644
--- a/Library/Homebrew/cask/lib/hbc/qualified_token.rb
+++ b/Library/Homebrew/cask/lib/hbc/qualified_token.rb
@@ -28,7 +28,7 @@ module Hbc
         user = dash_elements.join("-")
       else
         # eg caskroom/cask/google-chrome
-        # per https://github.com/Homebrew/homebrew/wiki/brew-tap
+        # per https://github.com/Homebrew/brew/blob/master/docs/brew-tap.md
         user, repo, token = path_elements
       end
       repo.sub!(%r{^#{REPO_PREFIX}}, "")