Index: firmware/App/Modes/Dialysis.c
===================================================================
diff -u -rfb714597ad515d3774d69b94808f065788504724 -redd44135869db32d23a0c809f6107b153c34d3bd
--- firmware/App/Modes/Dialysis.c	(.../Dialysis.c)	(revision fb714597ad515d3774d69b94808f065788504724)
+++ firmware/App/Modes/Dialysis.c	(.../Dialysis.c)	(revision edd44135869db32d23a0c809f6107b153c34d3bd)
@@ -1596,6 +1596,9 @@
 
     if ( FALSE == isRequestFromTreatmentStop )
     {
+        // The pressure window is widened to prevent pressure alarm in bypassing the dialyzer.
+        // The spike occurs due to bypassing VDi valve would result in all of the blood flow going through
+        // the dialyzer and pressure cannot go across the dialyzer.
         signalInitiatePressureStabilization( USE_NORMAL_STABILIZATION_PERIOD );
     }