Cosmetic change.

src/@dseries/subsref.m

@@ -130,11 +130,11 @@ switch S(1).type
             'exp','exp_', ...
             'ygrowth','ygrowth_', ...
             'qgrowth','qgrowth_', ...
-            'mgrowth','mgrowth_',...
+            'mgrowth','mgrowth_', ...
             'ydiff','ydiff_', ...
             'qdiff','qdiff_', ...
             'diff', 'diff_', ...
-            'mdiff','mdiff_',...
+            'mdiff','mdiff_', ...
             'abs','abs_', ...
             'isnan', ...
             'firstdate', ...