diff --git a/System/HIDAPI.hsc b/System/HIDAPI.hsc
--- a/System/HIDAPI.hsc
+++ b/System/HIDAPI.hsc
@@ -23,6 +23,7 @@
   ) where
 
 import Control.Applicative
+import Control.DeepSeq
 import Control.DeepSeq.Generics
 import Control.Exception
 import Control.Monad
@@ -54,6 +55,7 @@
 
 #let alignment t = "%lu", (unsigned long)offsetof(struct {char x__; t (y__); }, y__)
 
+-- | Note: This is currently a read-only instance. `poke` is not yet implemented.
 instance Storable DeviceInfoInternal where
   alignment _ = #{alignment struct hid_device_info}
   sizeOf _ = #{size struct hid_device_info}
@@ -162,8 +164,8 @@
 
 exit :: IO ()
 exit = do
-	r <- hid_exit
-	check (r == 0) "HIDAPI shutdown failed" "hid_exit /= 0"
+  r <- hid_exit
+  check (r == 0) "HIDAPI shutdown failed" "hid_exit /= 0"
 
 withHIDAPI :: IO a -> IO a
 withHIDAPI = bracket_ System.HIDAPI.init exit
@@ -241,9 +243,9 @@
   
 write :: Device -> ByteString -> IO Int
 write dev b = do
-	n' <- useAsCStringLen b $ \(cs, csLen) -> hid_write dev cs (fromIntegral csLen)
-	checkWithHidError (n' /= -1) dev "Write failed" "hid_write returned -1"
-	return $ fromIntegral n'
+  n' <- useAsCStringLen b $ \(cs, csLen) -> hid_write dev cs (fromIntegral csLen)
+  checkWithHidError (n' /= -1) dev "Write failed" "hid_write returned -1"
+  return $ fromIntegral n'
 
 foreign import ccall unsafe "hidapi/hidapi.h hid_get_serial_number_string"
   hid_get_serial_number_string :: Device -> CWString -> CSize -> IO CInt
diff --git a/hidapi.cabal b/hidapi.cabal
--- a/hidapi.cabal
+++ b/hidapi.cabal
@@ -1,5 +1,5 @@
 name:              hidapi
-version:           0.1.3
+version:           0.1.4
 build-type:        Simple
 cabal-version:     >= 1.6
 category:          Hardware
@@ -9,6 +9,10 @@
 bug-reports:       https://github.com/vahokif/haskell-hidapi/issues
 synopsis:          Haskell bindings to HIDAPI
 description:       Haskell bindings to the HIDAPI library (<http://www.signal11.us/oss/hidapi/>).
+                   .
+                   Note you need need to have the corresponding low-level
+                   library installed for your OS, e.g. libudev-dev on Debian/Ubuntu,
+                   or just udev on distributions that don't split dev libraries.
 license:           MIT
 license-file:      LICENSE
 
@@ -24,6 +28,11 @@
   build-depends:
       base < 5
     , bytestring >= 0.9.2.1
+    -- Note: If at some point we require deepseq >= 1.4, we can
+    --       throw out deepseq-generics, as starting from 1.4
+    --       deepseq's own default implementation is no longer
+    --       a no-op (== rubbish).
+    , deepseq >= 1.3
     , deepseq-generics >= 0.1
 
   -- hidapi is not packaged for many distributions, and seems to