diff --git a/JSON-Combinator.cabal b/JSON-Combinator.cabal
--- a/JSON-Combinator.cabal
+++ b/JSON-Combinator.cabal
@@ -1,5 +1,5 @@
 Name:               JSON-Combinator
-Version:            0.2.5
+Version:            0.2.6
 License:            BSD3
 License-File:       LICENSE
 Author:             Tony Morris <ʇǝu˙sıɹɹoɯʇ@ןןǝʞsɐɥ>
@@ -10,11 +10,13 @@
   A combinator library on top of a generalised JSON type. The highest-level module is
   @Text.JSON.Combinator@ and it is expected that no other module need to be explicitly imported.
   .
-  Instances for the combinators are provided for two libraries available on hackage:
+  Instances for the combinators are provided for three libraries available on hackage:
   .
     * json (@Text.JSON@)
     .
     * JSONb (@Text.JSONb@)
+    .
+    * hjson (@Text.HJson@)
 Cabal-version:      >= 1.2
 Build-Type:         Simple
 
diff --git a/Text/JSON/Combinator.hs b/Text/JSON/Combinator.hs
--- a/Text/JSON/Combinator.hs
+++ b/Text/JSON/Combinator.hs
@@ -233,6 +233,7 @@
   let fl = failure (ExpectedBool j)
   in foldJSON fl (return True) (return False) (const fl) (const fl) (const fl) (const fl) j
 
+-- | Returns the potential number value of a JSON value.
 getNumber ::
   (Failure (ExpectedNumber j) m, JSONLike j s a o) =>
   j -- ^ The JSON value.