diff --git a/tsg_util/headerForm.m b/tsg_util/headerForm.m
index 6e185f40984aeb524de58e76280389e32510cc78..5e8e11ee613bde0516e5c3c6c84ee7807940716c 100644
--- a/tsg_util/headerForm.m
+++ b/tsg_util/headerForm.m
@@ -33,7 +33,7 @@ default_length = .11;
 % -------------------------------
 left   = .01;
 bottom = .95;
-inc_x  =  3 * default_length;
+inc_x  =  2.2 * default_length;
 inc_y  =  0.01;
 
 % get actual date to format
@@ -163,10 +163,10 @@ for i = nca_keys
       'Parent', hHeaderFig, ...
       'Units', 'normalized', ...
       'Style', 'text', ...
-      'Fontsize', tsg.fontSize-2, ...
+      'Fontsize', tsg.fontSize-4, ...
       'HorizontalAlignment', 'left', ...
-      'Position', [left + 2*s.length, bottom, s.length, s.height], ...
-      'String', convention);
+      'Position', [left , bottom - (inc_y * 5/3), s.length, s.height], ...
+      'String', strcat('[', convention, ']'));
   end
   
   % set dynamically uicontrol from tsg struct
@@ -691,6 +691,19 @@ uiwait(hHeaderFig);
           'String', value, ...
           'Tag', char(cle) );
         
+        % add convention for <PARAM>_CALCOEF_DATE
+        % ---------------------------------------
+        if ~isempty(strfind(cle, 'CALCOEF_DATE'))
+          uicontrol(...
+            'Parent', hHeaderFig, ...
+            'Units', 'normalized', ...
+            'Style', 'text', ...
+            'Fontsize', tsg.fontSize-4, ...
+            'HorizontalAlignment', 'left', ...
+            'Position', [left , bottom - (inc_y * 5/3), s.length, s.height], ...
+            'String', '[yyyymmdd]');
+        end
+        
         % Check vertical position of last uicontrol and creation new colomn
         % -----------------------------------------------------------------
         bottom = bottom - inc_y - s.height;