diff --git a/Library/Homebrew/.rubocop_todo.yml b/Library/Homebrew/.rubocop_todo.yml
index 80c7302e83..f07cf667e3 100644
--- a/Library/Homebrew/.rubocop_todo.yml
+++ b/Library/Homebrew/.rubocop_todo.yml
@@ -21,5 +21,4 @@ Style/Documentation:
     - 'utils/gems.rb'
     - 'utils/popen.rb'
     - 'utils/shell.rb'
-    - 'utils/livecheck_formula.rb'
     - 'version.rb'
diff --git a/Library/Homebrew/utils/livecheck_formula.rb b/Library/Homebrew/utils/livecheck_formula.rb
index 9a52fa1d9e..25dc1c9940 100644
--- a/Library/Homebrew/utils/livecheck_formula.rb
+++ b/Library/Homebrew/utils/livecheck_formula.rb
@@ -1,5 +1,8 @@
 # frozen_string_literal: true
 
+# Helper module for parsing output of `brew livecheck`.
+#
+# @api private
 module LivecheckFormula
   module_function