diff --git a/matlab/utilities/dataset/describe_missing_data.m b/matlab/utilities/dataset/describe_missing_data.m
index 5506da2be..2c591b25e 100644
--- a/matlab/utilities/dataset/describe_missing_data.m
+++ b/matlab/utilities/dataset/describe_missing_data.m
@@ -1,4 +1,4 @@
-function [i,n,s,j] = describe_missing_data(data)
+function [i,n,s,j] = describe_missing_data(data)   % --*-- Unitary tests --*--
 % This function reads the dataset and determines the location of the missing observations (defined by NaNs)
 
 %@info: