Index: firmware/App/Modes/ModePreTreat.c
===================================================================
diff -u -r8254d0eaea0d25b62e41dc4189ec7cabbcf4c226 -r7452a8f8b7049aa76c2c749774f387869cf3c531
--- firmware/App/Modes/ModePreTreat.c	(.../ModePreTreat.c)	(revision 8254d0eaea0d25b62e41dc4189ec7cabbcf4c226)
+++ firmware/App/Modes/ModePreTreat.c	(.../ModePreTreat.c)	(revision 7452a8f8b7049aa76c2c749774f387869cf3c531)
@@ -42,6 +42,7 @@
 
 // ********** private definitions **********
 
+/// Number of task cycles to delay UI transition after sub-mode completion.
 #define SUBMODE_COMPLETE_UI_TRANSITION_TIME_COUNT     ( MS_PER_SECOND / TASK_GENERAL_INTERVAL )
 
 /// Interval (ms/task time) at which the Pre-Treatment state data is published on the CAN bus.
@@ -314,10 +315,13 @@
 
 /*********************************************************************//**
  * @brief
- * The handleDrySelfTestState function performs dry self-test.
- * @details \b Inputs: none
- * @details \b Outputs: transition to prime state on user request
- * @return current state (sub-mode)
+ * The handleDrySelfTestState function executes the Dry Self-Test
+ * pre-treatment sub-mode.
+ * @details \b Inputs: alarmActionResumeReceived,
+ * goToInstallStateRequested, submodeCompleteTransitionTimeCounter,
+ * @details \b Outputs: alarmActionResumeReceived,
+ * goToInstallStateRequested, submodeCompleteTransitionTimeCounter
+ * @return current Pre-Treatment state
  *************************************************************************/
 static TD_PRE_TREATMENT_MODE_STATE_T handleDrySelfTestState( void )
 {