Index: firmware/App/Modes/Dialysis.c
===================================================================
diff -u -r5e9d9388f584f461cbbc623c56512eb187eaad25 -r79ee09c165f80decd4d5953f036baa311b6afc76
--- firmware/App/Modes/Dialysis.c	(.../Dialysis.c)	(revision 5e9d9388f584f461cbbc623c56512eb187eaad25)
+++ firmware/App/Modes/Dialysis.c	(.../Dialysis.c)	(revision 79ee09c165f80decd4d5953f036baa311b6afc76)
@@ -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 );
     }