diff --git a/20240709SerdarModScript.py b/20240709SerdarModScript.py
index e923049..292a589 100644
--- a/20240709SerdarModScript.py
+++ b/20240709SerdarModScript.py
@@ -567,7 +567,8 @@ def sweep_b_val(instr:pyvisa.resources.Resource, min_bval:float, max_bval:float,
     wl = np.array(loaded_files.wavelength)
     np.savetxt("Wavelength.txt", wl)
 
-
+# TODO: write a function that simultaneously controls the two power supplies. => Threading
+# in function head should be func(instr1, instr2, args1, kwargs1, args2, kwargs2)
 
 ################################################################# END OF FUNCTION DEFS ###########################################################################################