Index: leahi_dialin/fp/modules/valves.py
===================================================================
diff -u -rd3147dff7c95e3ab5a507591ce5b9e1e74911a19 -r3715028b608b10e1d440a8a738c8a4f70d3d411b
--- leahi_dialin/fp/modules/valves.py	(.../valves.py)	(revision d3147dff7c95e3ab5a507591ce5b9e1e74911a19)
+++ leahi_dialin/fp/modules/valves.py	(.../valves.py)	(revision 3715028b608b10e1d440a8a738c8a4f70d3d411b)
@@ -231,7 +231,7 @@
             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
         """