diff --git a/Packages/MIES/MIES_AnalysisFunctions_PatchSeq.ipf b/Packages/MIES/MIES_AnalysisFunctions_PatchSeq.ipf
index 96abbd8d44..46bba2a30c 100644
--- a/Packages/MIES/MIES_AnalysisFunctions_PatchSeq.ipf
+++ b/Packages/MIES/MIES_AnalysisFunctions_PatchSeq.ipf
@@ -3219,6 +3219,7 @@ Function PSQ_DAScale(device, s)
 						if(sweepPassed && initialFISlopeValid[s.headstage])
 							// we only want to calculate new DAScale values for passing sweeps
 							// and if the initial FI slope is invalid we only need to measure futureDAScale values
+							// TODO why increment here only? What is for initial invalid fit and multiple futureDASCAles?
 							DAScalesIndex[s.headstage] += 1
 
 							dascale = PSQ_DS_CalculateDAScale(fitOffset, fitSlope, apfreq, maxFrequencyChangePercent)