diff --git a/Data/Double/Extra/Types.hs b/Data/Double/Extra/Types.hs
--- a/Data/Double/Extra/Types.hs
+++ b/Data/Double/Extra/Types.hs
@@ -22,10 +22,3 @@
 
 newtype DoubleShortest = DoubleShortest Double
   deriving (Eq,Ord,Show,Read,Generic,NFData,Num)
-
-{-
-DoublePrecision (i :: Nat)
-DoubleExponential (i :: Nat)
-DoubleFixed (i :: Nat)
-DoubleShortest
--}
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -1,3 +1,15 @@
 # double-extra
 Missing presentations for Double numbers (fixed, scientific etc.)
 
+please use `coerce` to convert from double before presenting
+
+```haskell
+DoublePrecision (i :: Nat)
+DoubleExponential (i :: Nat)
+DoubleFixed (i :: Nat)
+DoubleShortest
+```
+
+# Please Note
+
+For GHCJS you need to use the settings from stack till https://github.com/bos/double-conversion/pull/16
diff --git a/double-extra.cabal b/double-extra.cabal
--- a/double-extra.cabal
+++ b/double-extra.cabal
@@ -1,5 +1,5 @@
 name:                double-extra
-version:             0.1.0.0
+version:             0.1.0.1
 synopsis:            Missing presentations for Double numbers (fixed, scientific etc.)
 description:         Please see README.md
 homepage:            https://github.com/tolysz/double-extra#readme
@@ -24,23 +24,21 @@
 library
   exposed-modules:
            Data.Double.Extra
-  other-modules:
-           Data.Double.Extra.Aeson
            Data.Double.Extra.Types
-
+           Data.Double.Extra.Aeson
   build-depends:  base >= 4.7 && < 5
-               ,  double-conversion == 2.0.2.0
+               ,  double-conversion >= 2.0.2.0
                ,  aeson
                ,  bytestring
                ,  deepseq
   if flag(cassava)
      build-depends: cassava
-     other-modules: Data.Double.Extra.Cassava
+     exposed-modules: Data.Double.Extra.Cassava
      cpp-options: -DCASSAVA
 
   if flag(rawstring-qm)
      build-depends: rawstring-qm, text
-     other-modules: Data.Double.Extra.RawString
+     exposed-modules: Data.Double.Extra.RawString
      cpp-options: -DRAWSTRING_QM
 
   default-language:    Haskell2010