diff --git a/Data/Streaming/Network/Internal.hs b/Data/Streaming/Network/Internal.hs
--- a/Data/Streaming/Network/Internal.hs
+++ b/Data/Streaming/Network/Internal.hs
@@ -46,6 +46,9 @@
 -- * @*6@ means @HostIPv6@
 --
 -- * @!6@ means @HostIPv6Only@
+--
+-- Any other values is treated as a hostname. As an example, to bind to the
+-- IPv4 local host only, use \"127.0.0.1\".
 data HostPreference =
     HostAny
   | HostIPv4
diff --git a/streaming-commons.cabal b/streaming-commons.cabal
--- a/streaming-commons.cabal
+++ b/streaming-commons.cabal
@@ -1,5 +1,5 @@
 name:                streaming-commons
-version:             0.1.4.1
+version:             0.1.4.2
 synopsis:            Common lower-level functions needed by various streaming data libraries
 description:         Provides low-dependency functionality commonly needed by various streaming data libraries, such as conduit and pipes.
 homepage:            https://github.com/fpco/streaming-commons
