diff --git a/batchImgThermalFilter5.m b/batchImgThermalFilter5.m
index 86e9c678ecb76f263dd31d7f6fa98eebf6c8e70d..4799f095dc52b700db84a7d096f67e13cc840173 100644
--- a/batchImgThermalFilter5.m
+++ b/batchImgThermalFilter5.m
@@ -3,6 +3,7 @@
 % HIST. GRADIENT FOR THRESHOLDING
 
 % created by ASA Salgadoe, asalgado@myune.edu.au   18/12/2018 [NEW_Best]
+% MATLAB® 2017a (Mathworks Inc., USA).
 % Method for batch processing thermal images
 % Estimating upper boundary and Lower boundary for TIR image filter points