diff --git a/matlab/calibrate_mh_scale_parameter.m b/matlab/calibrate_mh_scale_parameter.m
index e4633b8dc9d157d1075a4da397d0977046b9c6ea..3e69421107cf73d7cd51c54cce1202f69b37ff26 100644
--- a/matlab/calibrate_mh_scale_parameter.m
+++ b/matlab/calibrate_mh_scale_parameter.m
@@ -66,7 +66,7 @@ Parameters = Parameters';
 try
     dd = chol(CovarianceMatrix);
 catch
-    error('The covariance matrix has to be a symetric positive definite matrix!')
+    error('The covariance matrix has to be a symmetric positive definite matrix!')
 end
 
 % Set parameters related to the proposal distribution