diff --git a/RJson.cabal b/RJson.cabal
--- a/RJson.cabal
+++ b/RJson.cabal
@@ -1,5 +1,5 @@
 Name:          RJson
-Version:       0.3
+Version:       0.3.1
 Cabal-Version: >= 1.2
 License:       BSD3
 License-File:  LICENSE
diff --git a/Text/RJson.hs b/Text/RJson.hs
--- a/Text/RJson.hs
+++ b/Text/RJson.hs
@@ -18,6 +18,7 @@
                    arrayAppend,
                    objectExtras,
                    genericToJson,
+                   enumToJson,
                    JsonData(..),
                    FromJson,
                    FromJsonD,
@@ -27,6 +28,7 @@
                    fromJsonString,
                    fromJsonByteString,
                    genericFromJson,
+                   enumFromJson,
                    stripInitialUnderscores,
                    toJsonString,
                    Union(..), Union3, Union4, Union5, Union6,
@@ -285,6 +287,8 @@
         | True =
             error ("Unable to serialize the primitive type '" ++ typename x ++ "'")
 
+-- | This function can be used as an implementation of 'toJson' for simple enums.
+--   It just converts an enum value to a string determined by the name of the constructor.
 enumToJson :: (Data ToJsonD a, ToJson a, TranslateField a) => a -> JsonData
 enumToJson x
     | isAlgType (dataTypeOf toJsonProxy x) = JDString (show (toConstr toJsonProxy x))
@@ -518,6 +522,7 @@
       _            -> Left "Bad fromJson conversion: Non-algebraic datatype given to 'genericFromJson'"
 genericFromJson _ _ = Left "Bad fromJson conversion: Expecting JSON object or array"
 
+-- | The counterpart of 'enumToJson'.
 enumFromJson :: (Data FromJsonD a, Data TranslateFieldD a) => a -> JsonData -> Either String a
 enumFromJson dummy (JDString s) =
     case fromConstrM fromJsonProxy Nothing (mkConstr (dataTypeOf fromJsonProxy dummy) s [] Prefix ) of