diff --git a/Library/Homebrew/utils/link.rb b/Library/Homebrew/utils/link.rb
index 7c24b13b1d..8b3c6bb37e 100644
--- a/Library/Homebrew/utils/link.rb
+++ b/Library/Homebrew/utils/link.rb
@@ -1,6 +1,9 @@
 # frozen_string_literal: true
 
 module Utils
+  # Helper functions for creating symlinks.
+  #
+  # @api private
   module Link
     module_function