diff --git a/src/aare/gui/panels/scan_settings_panel.py b/src/aare/gui/panels/scan_settings_panel.py
index eec08b01..78bc30f9 100644
--- a/src/aare/gui/panels/scan_settings_panel.py
+++ b/src/aare/gui/panels/scan_settings_panel.py
@@ -12,7 +12,8 @@ logger = setup_logger("aareGUI")
 class ScanSettingsPanel(QWidget):
     dtz_updated = Signal(float)
     dtz_move = Signal(float)
-    MIN_DTZ = 108.0
+    #TODO min and max dtz is set by beamline add max
+    MIN_DTZ = 108.0 # this is beamline dependent
     transmission_updated = Signal(float)
 
     def __init__(self, diffraction: DiffractionGeometry,