diff --git a/matlab/model_diagnostics.m b/matlab/model_diagnostics.m
index fb86aa4837adf27d4a73ec11b68cd532e35f9c5d..c17ac45780ca3510bde6e8c9233dcbcfcfd58459 100644
--- a/matlab/model_diagnostics.m
+++ b/matlab/model_diagnostics.m
@@ -213,7 +213,7 @@ for b=1:nb
             if n_rel  > 1
                 disp(['Relation ' int2str(i)])
             end
-            disp('Colinear variables:')
+            disp('Collinear variables:')
             for j=1:10
                 k = find(abs(ncol(:,i)) > 10^-j);
                 if max(abs(jacob(:,k)*ncol(k,i))) < 1e-6
@@ -236,7 +236,7 @@ for b=1:nb
             if n_rel  > 1
                 disp(['Relation ' int2str(i)])
             end
-            disp('Colinear equations')
+            disp('Collinear equations')
             for j=1:10
                 k = find(abs(neq(:,i)) > 10^-j);
                 if max(abs(jacob(k,:)'*neq(k,i))) < 1e-6