diff --git a/src/Propellor/Engine.hs b/src/Propellor/Engine.hs
index 90b8e3d..0835660 100644
--- a/src/Propellor/Engine.hs
+++ b/src/Propellor/Engine.hs
@@ -62,6 +62,9 @@ runEndAction host res (EndAction desc a) = actionMessageOn (hostName host) desc
 
 -- | For when code running in the Propellor monad needs to ensure a
 -- Property.
+--
+-- Note that the Info of the Property is not propigated out, so it will
+-- not be visible to propellor, unless you arrange for it to be propigated.
 ensureProperty :: Property -> Propellor Result
 ensureProperty = catchPropellor . propertySatisfy