diff --git a/app/services/hyrax/repository_fixity_check_service.rb b/app/services/hyrax/repository_fixity_check_service.rb
index 47fc87fe6e..1ffadc0f0e 100644
--- a/app/services/hyrax/repository_fixity_check_service.rb
+++ b/app/services/hyrax/repository_fixity_check_service.rb
@@ -1,9 +1,11 @@
 module Hyrax
   class RepositoryFixityCheckService
-    # TODO: this never seems to be used. Remove?
+    # This is a service that folks can use in their own rake tasks,
+    # etc. It is not otherwise called or relied upon in Hyrax.
+    # @see https://github.com/samvera/hyrax/wiki/Hyrax-Management-Guide#fixity-checking
     def self.fixity_check_everything
-      ::FileSet.find_each do |gf|
-        Hyrax::FileSetFixityCheckService.new(gf).fixity_check
+      ::FileSet.find_each do |file_set|
+        Hyrax::FileSetFixityCheckService.new(file_set).fixity_check
       end
     end
   end