diff --git a/infra/BRANDING b/infra/BRANDING
index fe40b055..27e077ce 100644
--- a/infra/BRANDING
+++ b/infra/BRANDING
@@ -1,3 +1,5 @@
+# Copy of //chromium/src/chrome/app/theme/chromium/BRANDING
+
 COMPANY_FULLNAME=The Thorium Authors
 COMPANY_SHORTNAME=The Thorium Authors
 PRODUCT_FULLNAME=Thorium