diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -25,3 +25,5 @@
 ## Licence
 
 `amazonka-cloudwatch-logs` is released under the [Mozilla Public License Version 2.0](http://www.mozilla.org/MPL/).
+
+Parts of the code are derived from AWS service descriptions, licensed under Apache 2.0.
diff --git a/amazonka-cloudwatch-logs.cabal b/amazonka-cloudwatch-logs.cabal
--- a/amazonka-cloudwatch-logs.cabal
+++ b/amazonka-cloudwatch-logs.cabal
@@ -1,5 +1,5 @@
 name:                  amazonka-cloudwatch-logs
-version:               0.0.4
+version:               0.0.5
 synopsis:              Amazon CloudWatch Logs SDK.
 homepage:              https://github.com/brendanhay/amazonka
 license:               OtherLicense
@@ -53,5 +53,5 @@
     other-modules:
 
     build-depends:
-          amazonka-core == 0.0.4.*
+          amazonka-core == 0.0.5.*
         , base          >= 4.7     && < 5
diff --git a/gen/Network/AWS/CloudWatchLogs.hs b/gen/Network/AWS/CloudWatchLogs.hs
--- a/gen/Network/AWS/CloudWatchLogs.hs
+++ b/gen/Network/AWS/CloudWatchLogs.hs
@@ -7,6 +7,8 @@
 -- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
 -- Stability   : experimental
 -- Portability : non-portable (GHC extensions)
+--
+-- Derived from AWS service descriptions, licensed under Apache 2.0.
 
 -- | Amazon CloudWatch Logs enables you to monitor, store, and access your system,
 -- application, and custom log files.
diff --git a/gen/Network/AWS/CloudWatchLogs/CreateLogGroup.hs b/gen/Network/AWS/CloudWatchLogs/CreateLogGroup.hs
--- a/gen/Network/AWS/CloudWatchLogs/CreateLogGroup.hs
+++ b/gen/Network/AWS/CloudWatchLogs/CreateLogGroup.hs
@@ -19,6 +19,8 @@
 -- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
 -- Stability   : experimental
 -- Portability : non-portable (GHC extensions)
+--
+-- Derived from AWS service descriptions, licensed under Apache 2.0.
 
 -- | Creates a new log group with the specified name. The name of the log group
 -- must be unique within a region for an AWS account. You can create up to 500
diff --git a/gen/Network/AWS/CloudWatchLogs/CreateLogStream.hs b/gen/Network/AWS/CloudWatchLogs/CreateLogStream.hs
--- a/gen/Network/AWS/CloudWatchLogs/CreateLogStream.hs
+++ b/gen/Network/AWS/CloudWatchLogs/CreateLogStream.hs
@@ -19,6 +19,8 @@
 -- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
 -- Stability   : experimental
 -- Portability : non-portable (GHC extensions)
+--
+-- Derived from AWS service descriptions, licensed under Apache 2.0.
 
 -- | Creates a new log stream in the specified log group. The name of the log
 -- stream must be unique within the log group. There is no limit on the number
diff --git a/gen/Network/AWS/CloudWatchLogs/DeleteLogGroup.hs b/gen/Network/AWS/CloudWatchLogs/DeleteLogGroup.hs
--- a/gen/Network/AWS/CloudWatchLogs/DeleteLogGroup.hs
+++ b/gen/Network/AWS/CloudWatchLogs/DeleteLogGroup.hs
@@ -19,6 +19,8 @@
 -- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
 -- Stability   : experimental
 -- Portability : non-portable (GHC extensions)
+--
+-- Derived from AWS service descriptions, licensed under Apache 2.0.
 
 -- | Deletes the log group with the specified name and permanently deletes all
 -- the archived log events associated with it.
diff --git a/gen/Network/AWS/CloudWatchLogs/DeleteLogStream.hs b/gen/Network/AWS/CloudWatchLogs/DeleteLogStream.hs
--- a/gen/Network/AWS/CloudWatchLogs/DeleteLogStream.hs
+++ b/gen/Network/AWS/CloudWatchLogs/DeleteLogStream.hs
@@ -19,6 +19,8 @@
 -- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
 -- Stability   : experimental
 -- Portability : non-portable (GHC extensions)
+--
+-- Derived from AWS service descriptions, licensed under Apache 2.0.
 
 -- | Deletes a log stream and permanently deletes all the archived log events
 -- associated with it.
diff --git a/gen/Network/AWS/CloudWatchLogs/DeleteMetricFilter.hs b/gen/Network/AWS/CloudWatchLogs/DeleteMetricFilter.hs
--- a/gen/Network/AWS/CloudWatchLogs/DeleteMetricFilter.hs
+++ b/gen/Network/AWS/CloudWatchLogs/DeleteMetricFilter.hs
@@ -19,6 +19,8 @@
 -- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
 -- Stability   : experimental
 -- Portability : non-portable (GHC extensions)
+--
+-- Derived from AWS service descriptions, licensed under Apache 2.0.
 
 -- | Deletes a metric filter associated with the specified log group.
 --
diff --git a/gen/Network/AWS/CloudWatchLogs/DeleteRetentionPolicy.hs b/gen/Network/AWS/CloudWatchLogs/DeleteRetentionPolicy.hs
--- a/gen/Network/AWS/CloudWatchLogs/DeleteRetentionPolicy.hs
+++ b/gen/Network/AWS/CloudWatchLogs/DeleteRetentionPolicy.hs
@@ -19,6 +19,8 @@
 -- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
 -- Stability   : experimental
 -- Portability : non-portable (GHC extensions)
+--
+-- Derived from AWS service descriptions, licensed under Apache 2.0.
 
 -- | Deletes the retention policy of the specified log group. Log events would
 -- not expire if they belong to log groups without a retention policy.
diff --git a/gen/Network/AWS/CloudWatchLogs/DescribeLogGroups.hs b/gen/Network/AWS/CloudWatchLogs/DescribeLogGroups.hs
--- a/gen/Network/AWS/CloudWatchLogs/DescribeLogGroups.hs
+++ b/gen/Network/AWS/CloudWatchLogs/DescribeLogGroups.hs
@@ -19,6 +19,8 @@
 -- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
 -- Stability   : experimental
 -- Portability : non-portable (GHC extensions)
+--
+-- Derived from AWS service descriptions, licensed under Apache 2.0.
 
 -- | Returns all the log groups that are associated with the AWS account making
 -- the request. The list returned in the response is ASCII-sorted by log group
diff --git a/gen/Network/AWS/CloudWatchLogs/DescribeLogStreams.hs b/gen/Network/AWS/CloudWatchLogs/DescribeLogStreams.hs
--- a/gen/Network/AWS/CloudWatchLogs/DescribeLogStreams.hs
+++ b/gen/Network/AWS/CloudWatchLogs/DescribeLogStreams.hs
@@ -19,6 +19,8 @@
 -- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
 -- Stability   : experimental
 -- Portability : non-portable (GHC extensions)
+--
+-- Derived from AWS service descriptions, licensed under Apache 2.0.
 
 -- | Returns all the log streams that are associated with the specified log
 -- group. The list returned in the response is ASCII-sorted by log stream name.
diff --git a/gen/Network/AWS/CloudWatchLogs/DescribeMetricFilters.hs b/gen/Network/AWS/CloudWatchLogs/DescribeMetricFilters.hs
--- a/gen/Network/AWS/CloudWatchLogs/DescribeMetricFilters.hs
+++ b/gen/Network/AWS/CloudWatchLogs/DescribeMetricFilters.hs
@@ -19,6 +19,8 @@
 -- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
 -- Stability   : experimental
 -- Portability : non-portable (GHC extensions)
+--
+-- Derived from AWS service descriptions, licensed under Apache 2.0.
 
 -- | Returns all the metrics filters associated with the specified log group. The
 -- list returned in the response is ASCII-sorted by filter name.
diff --git a/gen/Network/AWS/CloudWatchLogs/GetLogEvents.hs b/gen/Network/AWS/CloudWatchLogs/GetLogEvents.hs
--- a/gen/Network/AWS/CloudWatchLogs/GetLogEvents.hs
+++ b/gen/Network/AWS/CloudWatchLogs/GetLogEvents.hs
@@ -19,6 +19,8 @@
 -- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
 -- Stability   : experimental
 -- Portability : non-portable (GHC extensions)
+--
+-- Derived from AWS service descriptions, licensed under Apache 2.0.
 
 -- | Retrieves log events from the specified log stream. You can provide an
 -- optional time range to filter the results on the event 'timestamp'.
diff --git a/gen/Network/AWS/CloudWatchLogs/PutLogEvents.hs b/gen/Network/AWS/CloudWatchLogs/PutLogEvents.hs
--- a/gen/Network/AWS/CloudWatchLogs/PutLogEvents.hs
+++ b/gen/Network/AWS/CloudWatchLogs/PutLogEvents.hs
@@ -19,6 +19,8 @@
 -- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
 -- Stability   : experimental
 -- Portability : non-portable (GHC extensions)
+--
+-- Derived from AWS service descriptions, licensed under Apache 2.0.
 
 -- | Uploads a batch of log events to the specified log stream.
 --
diff --git a/gen/Network/AWS/CloudWatchLogs/PutMetricFilter.hs b/gen/Network/AWS/CloudWatchLogs/PutMetricFilter.hs
--- a/gen/Network/AWS/CloudWatchLogs/PutMetricFilter.hs
+++ b/gen/Network/AWS/CloudWatchLogs/PutMetricFilter.hs
@@ -19,6 +19,8 @@
 -- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
 -- Stability   : experimental
 -- Portability : non-portable (GHC extensions)
+--
+-- Derived from AWS service descriptions, licensed under Apache 2.0.
 
 -- | Creates or updates a metric filter and associates it with the specified log
 -- group. Metric filters allow you to configure rules to extract metric data
diff --git a/gen/Network/AWS/CloudWatchLogs/PutRetentionPolicy.hs b/gen/Network/AWS/CloudWatchLogs/PutRetentionPolicy.hs
--- a/gen/Network/AWS/CloudWatchLogs/PutRetentionPolicy.hs
+++ b/gen/Network/AWS/CloudWatchLogs/PutRetentionPolicy.hs
@@ -19,6 +19,8 @@
 -- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
 -- Stability   : experimental
 -- Portability : non-portable (GHC extensions)
+--
+-- Derived from AWS service descriptions, licensed under Apache 2.0.
 
 -- | Sets the retention of the specified log group. A retention policy allows you
 -- to configure the number of days you want to retain log events in the
diff --git a/gen/Network/AWS/CloudWatchLogs/TestMetricFilter.hs b/gen/Network/AWS/CloudWatchLogs/TestMetricFilter.hs
--- a/gen/Network/AWS/CloudWatchLogs/TestMetricFilter.hs
+++ b/gen/Network/AWS/CloudWatchLogs/TestMetricFilter.hs
@@ -19,6 +19,8 @@
 -- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
 -- Stability   : experimental
 -- Portability : non-portable (GHC extensions)
+--
+-- Derived from AWS service descriptions, licensed under Apache 2.0.
 
 -- | Tests the filter pattern of a metric filter against a sample of log event
 -- messages. You can use this operation to validate the correctness of a metric
diff --git a/gen/Network/AWS/CloudWatchLogs/Types.hs b/gen/Network/AWS/CloudWatchLogs/Types.hs
--- a/gen/Network/AWS/CloudWatchLogs/Types.hs
+++ b/gen/Network/AWS/CloudWatchLogs/Types.hs
@@ -19,6 +19,8 @@
 -- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
 -- Stability   : experimental
 -- Portability : non-portable (GHC extensions)
+--
+-- Derived from AWS service descriptions, licensed under Apache 2.0.
 
 module Network.AWS.CloudWatchLogs.Types
     (
