diff --git a/sas/sasjs/macros/bitemporal_dataloader.sas b/sas/sasjs/macros/bitemporal_dataloader.sas
index 428bb0a..7adc3b6 100755
--- a/sas/sasjs/macros/bitemporal_dataloader.sas
+++ b/sas/sasjs/macros/bitemporal_dataloader.sas
@@ -94,6 +94,7 @@ Areas for optimisation
   <h4> SAS Macros </h4>
   @li bitemporal_closeouts.sas
   @li dc_assignlib.sas
+  @li mf_existds.sas
   @li mf_existvar.sas
   @li mf_fmtdttm.sas
   @li mf_getattrn.sas