diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## Version 0.11.0.1 (5 Oct 2014)
+
+- Updated documentation.
+
 ## Version 0.11.0 (4 Oct 2014)
 
 - Added Alternative instances for `Chunk` and `ReadM`.
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -173,16 +173,20 @@
 used.
 
 You can also create a custom reader that doesn't use the `Read` typeclass, and
-use it to parse option arguments:
+use it to parse option arguments.  A custom reader is a value in the `ReadM`
+monad.
 
 ```haskell
 data FluxCapacitor = ...
 
 parseFluxCapacitor :: Monad m => String -> m FluxCapacitor
 
-option parseFluxCapacitor
+option (str >>= parseFluxCapacitor)
   ( long "flux-capacitor" )
 ```
+
+Use `readerAbort` or `readerError` within the `ReadM` monad to exit with an
+error message.
 
 ### Flags
 
diff --git a/optparse-applicative.cabal b/optparse-applicative.cabal
--- a/optparse-applicative.cabal
+++ b/optparse-applicative.cabal
@@ -1,5 +1,5 @@
 name:                optparse-applicative
-version:             0.11.0
+version:             0.11.0.1
 synopsis:            Utilities and combinators for parsing command line options
 description:
     Here is a simple example of an applicative option parser: