Index: firmware/App/Modes/Dialysis.c
===================================================================
diff -u -rca8a4a4cf6d2c59d9296c3abdf314765550a2624 -rd94ff9da27cd8765194e574d4c03b50b5da3b855
--- firmware/App/Modes/Dialysis.c	(.../Dialysis.c)	(revision ca8a4a4cf6d2c59d9296c3abdf314765550a2624)
+++ firmware/App/Modes/Dialysis.c	(.../Dialysis.c)	(revision d94ff9da27cd8765194e574d4c03b50b5da3b855)
@@ -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 );
     }