diff --git a/Library/Homebrew/extend/ENV/std.rb b/Library/Homebrew/extend/ENV/std.rb
index d92c8c744f..8be491c6fc 100644
--- a/Library/Homebrew/extend/ENV/std.rb
+++ b/Library/Homebrew/extend/ENV/std.rb
@@ -4,7 +4,7 @@
 require "hardware"
 require "extend/ENV/shared"
 
-# @private
+# @api private
 module Stdenv
   extend T::Sig