diff --git a/Sample Models/Social Science/Distribution Center Discrete Event Simulator/time-series.nlm b/Sample Models/Social Science/Distribution Center Discrete Event Simulator/time-series.nlm
index bb59ca719..bae559211 100644
--- a/Sample Models/Social Science/Distribution Center Discrete Event Simulator/time-series.nlm	
+++ b/Sample Models/Social Science/Distribution Center Discrete Event Simulator/time-series.nlm	
@@ -1,4 +1,4 @@
-;; NOTE: the main file that includes this one must have both the csv and time extensions
+extensions [time csv]
 
 export [
   ts-create