diff --git a/amazonka-config.cabal b/amazonka-config.cabal
--- a/amazonka-config.cabal
+++ b/amazonka-config.cabal
@@ -1,5 +1,5 @@
 name:                  amazonka-config
-version:               0.3.4
+version:               0.3.5
 synopsis:              Amazon Config SDK.
 homepage:              https://github.com/brendanhay/amazonka
 license:               OtherLicense
@@ -55,5 +55,5 @@
     other-modules:
 
     build-depends:
-          amazonka-core == 0.3.4.*
+          amazonka-core == 0.3.5.*
         , base          >= 4.7     && < 5
diff --git a/gen/Network/AWS/Config/DescribeConfigurationRecorderStatus.hs b/gen/Network/AWS/Config/DescribeConfigurationRecorderStatus.hs
--- a/gen/Network/AWS/Config/DescribeConfigurationRecorderStatus.hs
+++ b/gen/Network/AWS/Config/DescribeConfigurationRecorderStatus.hs
@@ -26,6 +26,8 @@
 -- configuration recorder is not specified, this action returns the status of
 -- all configuration recorder associated with the account.
 --
+-- Currently, you can specify only one configuration recorder per account.
+--
 -- <http://docs.aws.amazon.com/config/latest/APIReference/API_DescribeConfigurationRecorderStatus.html>
 module Network.AWS.Config.DescribeConfigurationRecorderStatus
     (
diff --git a/gen/Network/AWS/Config/DescribeConfigurationRecorders.hs b/gen/Network/AWS/Config/DescribeConfigurationRecorders.hs
--- a/gen/Network/AWS/Config/DescribeConfigurationRecorders.hs
+++ b/gen/Network/AWS/Config/DescribeConfigurationRecorders.hs
@@ -26,6 +26,10 @@
 -- recorder name is not specified, this action returns the names of all the
 -- configuration recorders associated with the account.
 --
+-- Currently, you can specify only one configuration recorder per account.
+--
+--
+--
 -- <http://docs.aws.amazon.com/config/latest/APIReference/API_DescribeConfigurationRecorders.html>
 module Network.AWS.Config.DescribeConfigurationRecorders
     (
diff --git a/gen/Network/AWS/Config/DescribeDeliveryChannelStatus.hs b/gen/Network/AWS/Config/DescribeDeliveryChannelStatus.hs
--- a/gen/Network/AWS/Config/DescribeDeliveryChannelStatus.hs
+++ b/gen/Network/AWS/Config/DescribeDeliveryChannelStatus.hs
@@ -26,6 +26,8 @@
 -- channel is not specified, this action returns the current status of all
 -- delivery channels associated with the account.
 --
+-- Currently, you can specify only one delivery channel per account.
+--
 -- <http://docs.aws.amazon.com/config/latest/APIReference/API_DescribeDeliveryChannelStatus.html>
 module Network.AWS.Config.DescribeDeliveryChannelStatus
     (
diff --git a/gen/Network/AWS/Config/DescribeDeliveryChannels.hs b/gen/Network/AWS/Config/DescribeDeliveryChannels.hs
--- a/gen/Network/AWS/Config/DescribeDeliveryChannels.hs
+++ b/gen/Network/AWS/Config/DescribeDeliveryChannels.hs
@@ -26,6 +26,9 @@
 -- is not specified, this action returns the details of all delivery channels
 -- associated with the account.
 --
+-- Currently, you can specify only one delivery channel per account.
+--
+--
 -- <http://docs.aws.amazon.com/config/latest/APIReference/API_DescribeDeliveryChannels.html>
 module Network.AWS.Config.DescribeDeliveryChannels
     (
diff --git a/gen/Network/AWS/Config/GetResourceConfigHistory.hs b/gen/Network/AWS/Config/GetResourceConfigHistory.hs
--- a/gen/Network/AWS/Config/GetResourceConfigHistory.hs
+++ b/gen/Network/AWS/Config/GetResourceConfigHistory.hs
@@ -28,6 +28,12 @@
 -- page. If a limit is specified, a 'nextToken' is returned as part of the result
 -- that you can use to continue this request.
 --
+-- Each call to the API is limited to span a duration of seven days. It is
+-- likely that the number of records returned is smaller than the specified 'limit'
+-- . In such cases, you can make another call, using the 'nextToken' .
+--
+--
+--
 -- <http://docs.aws.amazon.com/config/latest/APIReference/API_GetResourceConfigHistory.html>
 module Network.AWS.Config.GetResourceConfigHistory
     (
diff --git a/gen/Network/AWS/Config/PutConfigurationRecorder.hs b/gen/Network/AWS/Config/PutConfigurationRecorder.hs
--- a/gen/Network/AWS/Config/PutConfigurationRecorder.hs
+++ b/gen/Network/AWS/Config/PutConfigurationRecorder.hs
@@ -28,6 +28,10 @@
 -- recorder. To change the role, call the action on the existing configuration
 -- recorder and specify a role.
 --
+-- Currently, you can specify only one configuration recorder per account.
+--
+--
+--
 -- <http://docs.aws.amazon.com/config/latest/APIReference/API_PutConfigurationRecorder.html>
 module Network.AWS.Config.PutConfigurationRecorder
     (
diff --git a/gen/Network/AWS/Config/PutDeliveryChannel.hs b/gen/Network/AWS/Config/PutDeliveryChannel.hs
--- a/gen/Network/AWS/Config/PutDeliveryChannel.hs
+++ b/gen/Network/AWS/Config/PutDeliveryChannel.hs
@@ -32,6 +32,10 @@
 -- bucket or the SNS topic, this action will keep the existing value for the
 -- parameter that is not changed.
 --
+-- Currently, you can specify only one delivery channel per account.
+--
+--
+--
 -- <http://docs.aws.amazon.com/config/latest/APIReference/API_PutDeliveryChannel.html>
 module Network.AWS.Config.PutDeliveryChannel
     (
diff --git a/gen/Network/AWS/Config/Types.hs b/gen/Network/AWS/Config/Types.hs
--- a/gen/Network/AWS/Config/Types.hs
+++ b/gen/Network/AWS/Config/Types.hs
@@ -701,23 +701,26 @@
         ]
 
 data DeliveryStatus
-    = Failure -- ^ Failure
-    | Success -- ^ Success
+    = Failure       -- ^ Failure
+    | NotApplicable -- ^ Not_Applicable
+    | Success       -- ^ Success
       deriving (Eq, Ord, Read, Show, Generic, Enum)
 
 instance Hashable DeliveryStatus
 
 instance FromText DeliveryStatus where
     parser = takeLowerText >>= \case
-        "failure" -> pure Failure
-        "success" -> pure Success
-        e         -> fail $
+        "failure"        -> pure Failure
+        "not_applicable" -> pure NotApplicable
+        "success"        -> pure Success
+        e                -> fail $
             "Failure parsing DeliveryStatus from " ++ show e
 
 instance ToText DeliveryStatus where
     toText = \case
-        Failure -> "Failure"
-        Success -> "Success"
+        Failure       -> "Failure"
+        NotApplicable -> "Not_Applicable"
+        Success       -> "Success"
 
 instance ToByteString DeliveryStatus
 instance ToHeader     DeliveryStatus