diff --git a/Packages/MIES/MIES_AnalysisFunctions_PatchSeq.ipf b/Packages/MIES/MIES_AnalysisFunctions_PatchSeq.ipf
index 94457c4754..2a892f5550 100644
--- a/Packages/MIES/MIES_AnalysisFunctions_PatchSeq.ipf
+++ b/Packages/MIES/MIES_AnalysisFunctions_PatchSeq.ipf
@@ -2126,6 +2126,7 @@ End
 ///
 /// @param a offset of the f-I straight line fit [Hz]
 /// @param m its slope [% Hz/pA]
+/// @param x DAScale of last acquired sweep [pA]
 /// @param y frequency value of last acquired sweep [Hz]
 /// @param c MaxFrequencyChangePercent analysis parameter [%]
 ///