Index: sources/gui/qml/pages/pretreatment/PreTreatmentBase.qml
===================================================================
diff -u -r8457901952a1d732c4688da471ae98e1d4f3024f -ra55e0de27d8c427dd4d441f47bb22ca2fe0ca462
--- sources/gui/qml/pages/pretreatment/PreTreatmentBase.qml	(.../PreTreatmentBase.qml)	(revision 8457901952a1d732c4688da471ae98e1d4f3024f)
+++ sources/gui/qml/pages/pretreatment/PreTreatmentBase.qml	(.../PreTreatmentBase.qml)	(revision a55e0de27d8c427dd4d441f47bb22ca2fe0ca462)
@@ -31,11 +31,13 @@
 
     onVisibleChanged: if ( visible ) { _root.updateModel() }
 
+    // update model for instruction based steps
     function updateModel () {
         let  stepName = stepNames[stackStepIndex]
         if ( stepName === undefined ) stepName = ""
 
-        let group = vSettings.advancedMode ? vSettings.groupFormat.arg(stepName).arg("Advanced") : stepName
+        let group = vSettings.groupFormat(stepName, vSettings.advancedMode || _root.subStepName.length === 0 ? "" : _root.subStepName )
+
         let instructionsGroup    = vSettings.instructions[group]
 
         if ( instructionsGroup !== undefined ) {