diff --git a/Propellor/Property/Scheduled.hs b/Propellor/Property/Scheduled.hs
index 2e7ae06..bef2a29 100644
--- a/Propellor/Property/Scheduled.hs
+++ b/Propellor/Property/Scheduled.hs
@@ -1,5 +1,6 @@
 module Propellor.Property.Scheduled
 	( period
+	, periodParse
 	, Recurrance(..)
 	, WeekDay
 	, MonthDay
@@ -31,7 +32,15 @@ period prop recurrance = Property desc $ do
 		else noChange
   where
 	schedule = Schedule recurrance AnyTime
-	desc = propertyDesc prop ++ " (period " ++ show recurrance ++ ")"
+	desc = propertyDesc prop ++ " (period " ++ fromRecurrance recurrance ++ ")"
+
+-- | Like period, but parse a human-friendly string.
+periodParse :: Property -> String -> Property
+periodParse prop s = case toRecurrance s of
+	Just recurrance -> period prop recurrance
+	Nothing -> Property "periodParse" $ do
+		warningMessage $ "failed periodParse: " ++ s
+		noChange
 
 lastCheckedFile :: FilePath
 lastCheckedFile = localdir </> ".lastchecked"
diff --git a/Utility/Scheduled.hs b/Utility/Scheduled.hs
index 6b0609d..11e3b56 100644
--- a/Utility/Scheduled.hs
+++ b/Utility/Scheduled.hs
@@ -49,9 +49,9 @@ data Recurrance
 	| Weekly (Maybe WeekDay)
 	| Monthly (Maybe MonthDay)
 	| Yearly (Maybe YearDay)
+	| Divisible Int Recurrance
 	-- ^ Days, Weeks, or Months of the year evenly divisible by a number.
 	-- (Divisible Year is years evenly divisible by a number.)
-	| Divisible Int Recurrance
   deriving (Eq, Read, Show, Ord)
 
 type WeekDay = Int