diff --git a/matlab/model_diagnostics.m b/matlab/model_diagnostics.m
index f6029c95489dc090a945c2e6c987712b066ad7f6..d6de55df32b507cef30394872d32734694f257a0 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