diff --git a/lib/record_loader/application_record_loader.rb b/lib/record_loader/application_record_loader.rb
index 961a9c07c6..52a2af1ecc 100644
--- a/lib/record_loader/application_record_loader.rb
+++ b/lib/record_loader/application_record_loader.rb
@@ -17,7 +17,8 @@ def wip_list
       return [] unless deploy_wip_pipelines
 
       wip_files = []
-      # @path returns 'config/default_records' directory
+      # @path is initialised from the directory argument passed to the initialiser method of the super class.
+      # By default, it returns 'config/default_records' directory
       # see https://github.com/sanger/record_loader/blob/master/lib/record_loader/base.rb
       wip_files_path = @path
       Find.find(wip_files_path) do |path|