Index: firmware/App/Modes/FPModes/FPOperationModes.c
===================================================================
diff -u -r344fab3c29084dfeee87cafe406b6880884aef95 -r82d43a543238c95e736f277bc9280c10a895ed0b
--- firmware/App/Modes/FPModes/FPOperationModes.c	(.../FPOperationModes.c)	(revision 344fab3c29084dfeee87cafe406b6880884aef95)
+++ firmware/App/Modes/FPModes/FPOperationModes.c	(.../FPOperationModes.c)	(revision 82d43a543238c95e736f277bc9280c10a895ed0b)
@@ -713,6 +713,7 @@
         case FP_MODE_SERV:
         case FP_MODE_INIT:
         default:
+            // result is already FALSE. Do nothing for modes that do not support jump to sub-mode
             break;
     }
 
@@ -758,6 +759,7 @@
         case FP_MODE_SERV:
         case FP_MODE_INIT:
         default:
+            // do nothing for modes that do not support jump to sub-mode
             break;
     }
 }
Index: firmware/App/Modes/FPModes/ModePreGenPermeate.c
===================================================================
diff -u -r344fab3c29084dfeee87cafe406b6880884aef95 -r82d43a543238c95e736f277bc9280c10a895ed0b
--- firmware/App/Modes/FPModes/ModePreGenPermeate.c	(.../ModePreGenPermeate.c)	(revision 344fab3c29084dfeee87cafe406b6880884aef95)
+++ firmware/App/Modes/FPModes/ModePreGenPermeate.c	(.../ModePreGenPermeate.c)	(revision 82d43a543238c95e736f277bc9280c10a895ed0b)
@@ -607,7 +607,6 @@
         // handle the prerequisite if any
         switch ( newSubMode )
         {
-            // Require no special handling for now (update the comment if required in future)
             case FP_PRE_GENP_INLET_PRESSURE_CHECK:
                 resetInletPressureCheckSignals();
                 break;
@@ -627,6 +626,7 @@
                 signalStartConcentrateFlush();
                 break;
 
+            // Require no special handling for now (update if required in future)
             case FP_PRE_GENP_VERIFY_WATER:
             case FP_PRE_GENP_PAUSED:
             default: