diff --git a/Library/Homebrew/cask/lib/hbc/artifact/abstract_artifact.rb b/Library/Homebrew/cask/lib/hbc/artifact/abstract_artifact.rb
index 972a51a45a..f9f736662f 100644
--- a/Library/Homebrew/cask/lib/hbc/artifact/abstract_artifact.rb
+++ b/Library/Homebrew/cask/lib/hbc/artifact/abstract_artifact.rb
@@ -50,6 +50,8 @@ module Hbc
             Vst3Plugin,
             ScreenSaver,
           ],
+          # `pkg` should be run before `binary`, so
+          # targets are created prior to linking.
           Pkg,
           Binary,
           PostflightBlock,