Index: leahi_dialin/fp/modules/valves.py
===================================================================
diff -u -r9f947930678d5b13aa8f788f4e3d58cd1370a541 -r0573f5102e9cc8084f98ec3165f0f33fe9a846ea
--- leahi_dialin/fp/modules/valves.py	(.../valves.py)	(revision 9f947930678d5b13aa8f788f4e3d58cd1370a541)
+++ leahi_dialin/fp/modules/valves.py	(.../valves.py)	(revision 0573f5102e9cc8084f98ec3165f0f33fe9a846ea)
@@ -217,7 +217,7 @@
             Given valve ID must be one of the valve IDs listed below.
 
         @param valve:  unsigned int - valve ID
-        @param state:  int - valve state
+        @param state:  int - valve state  (0=de-energized/closed, 1=energized/open)
         @param reset:  integer - 1 to reset a previous override, 0 to override
         @return: 1 if successful, zero otherwise
         """