diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -33,3 +33,5 @@
 ## Licence
 
 `amazonka-cognito-identity` 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-cognito-identity.cabal b/amazonka-cognito-identity.cabal
--- a/amazonka-cognito-identity.cabal
+++ b/amazonka-cognito-identity.cabal
@@ -1,5 +1,5 @@
 name:                  amazonka-cognito-identity
-version:               0.0.4
+version:               0.0.5
 synopsis:              Amazon Cognito Identity SDK.
 homepage:              https://github.com/brendanhay/amazonka
 license:               OtherLicense
@@ -60,5 +60,5 @@
     other-modules:
 
     build-depends:
-          amazonka-core == 0.0.4.*
+          amazonka-core == 0.0.5.*
         , base          >= 4.7     && < 5
diff --git a/gen/Network/AWS/CognitoIdentity.hs b/gen/Network/AWS/CognitoIdentity.hs
--- a/gen/Network/AWS/CognitoIdentity.hs
+++ b/gen/Network/AWS/CognitoIdentity.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 Cognito is a web service that facilitates the delivery of scoped,
 -- temporary credentials to mobile devices or other untrusted environments.
diff --git a/gen/Network/AWS/CognitoIdentity/CreateIdentityPool.hs b/gen/Network/AWS/CognitoIdentity/CreateIdentityPool.hs
--- a/gen/Network/AWS/CognitoIdentity/CreateIdentityPool.hs
+++ b/gen/Network/AWS/CognitoIdentity/CreateIdentityPool.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 identity pool. The identity pool is a store of user identity
 -- information that is specific to your AWS account. The limit on identity pools
diff --git a/gen/Network/AWS/CognitoIdentity/DeleteIdentityPool.hs b/gen/Network/AWS/CognitoIdentity/DeleteIdentityPool.hs
--- a/gen/Network/AWS/CognitoIdentity/DeleteIdentityPool.hs
+++ b/gen/Network/AWS/CognitoIdentity/DeleteIdentityPool.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 user pool. Once a pool is deleted, users will not be able to
 -- authenticate with the pool.
diff --git a/gen/Network/AWS/CognitoIdentity/DescribeIdentityPool.hs b/gen/Network/AWS/CognitoIdentity/DescribeIdentityPool.hs
--- a/gen/Network/AWS/CognitoIdentity/DescribeIdentityPool.hs
+++ b/gen/Network/AWS/CognitoIdentity/DescribeIdentityPool.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.
 
 -- | Gets details about a particular identity pool, including the pool name, ID
 -- description, creation date, and current number of users.
diff --git a/gen/Network/AWS/CognitoIdentity/GetId.hs b/gen/Network/AWS/CognitoIdentity/GetId.hs
--- a/gen/Network/AWS/CognitoIdentity/GetId.hs
+++ b/gen/Network/AWS/CognitoIdentity/GetId.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.
 
 -- | Generates (or retrieves) a Cognito ID. Supplying multiple logins will create
 -- an implicit linked account.
diff --git a/gen/Network/AWS/CognitoIdentity/GetOpenIdToken.hs b/gen/Network/AWS/CognitoIdentity/GetOpenIdToken.hs
--- a/gen/Network/AWS/CognitoIdentity/GetOpenIdToken.hs
+++ b/gen/Network/AWS/CognitoIdentity/GetOpenIdToken.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.
 
 -- | Gets an OpenID token, using a known Cognito ID. This known Cognito ID is
 -- returned by 'GetId'. You can optionally add additional logins for the identity.
diff --git a/gen/Network/AWS/CognitoIdentity/GetOpenIdTokenForDeveloperIdentity.hs b/gen/Network/AWS/CognitoIdentity/GetOpenIdTokenForDeveloperIdentity.hs
--- a/gen/Network/AWS/CognitoIdentity/GetOpenIdTokenForDeveloperIdentity.hs
+++ b/gen/Network/AWS/CognitoIdentity/GetOpenIdTokenForDeveloperIdentity.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.
 
 -- | Registers (or retrieves) a Cognito 'IdentityId' and an OpenID Connect token for
 -- a user authenticated by your backend authentication process. Supplying
diff --git a/gen/Network/AWS/CognitoIdentity/ListIdentities.hs b/gen/Network/AWS/CognitoIdentity/ListIdentities.hs
--- a/gen/Network/AWS/CognitoIdentity/ListIdentities.hs
+++ b/gen/Network/AWS/CognitoIdentity/ListIdentities.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.
 
 -- | Lists the identities in a pool.
 --
diff --git a/gen/Network/AWS/CognitoIdentity/ListIdentityPools.hs b/gen/Network/AWS/CognitoIdentity/ListIdentityPools.hs
--- a/gen/Network/AWS/CognitoIdentity/ListIdentityPools.hs
+++ b/gen/Network/AWS/CognitoIdentity/ListIdentityPools.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.
 
 -- | Lists all of the Cognito identity pools registered for your account.
 --
diff --git a/gen/Network/AWS/CognitoIdentity/LookupDeveloperIdentity.hs b/gen/Network/AWS/CognitoIdentity/LookupDeveloperIdentity.hs
--- a/gen/Network/AWS/CognitoIdentity/LookupDeveloperIdentity.hs
+++ b/gen/Network/AWS/CognitoIdentity/LookupDeveloperIdentity.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 the 'IdentityID' associated with a 'DeveloperUserIdentifier' or the
 -- list of 'DeveloperUserIdentifier's associated with an 'IdentityId' for an
diff --git a/gen/Network/AWS/CognitoIdentity/MergeDeveloperIdentities.hs b/gen/Network/AWS/CognitoIdentity/MergeDeveloperIdentities.hs
--- a/gen/Network/AWS/CognitoIdentity/MergeDeveloperIdentities.hs
+++ b/gen/Network/AWS/CognitoIdentity/MergeDeveloperIdentities.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.
 
 -- | Merges two users having different 'IdentityId's, existing in the same identity
 -- pool, and identified by the same developer provider. You can use this action
diff --git a/gen/Network/AWS/CognitoIdentity/Types.hs b/gen/Network/AWS/CognitoIdentity/Types.hs
--- a/gen/Network/AWS/CognitoIdentity/Types.hs
+++ b/gen/Network/AWS/CognitoIdentity/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.CognitoIdentity.Types
     (
diff --git a/gen/Network/AWS/CognitoIdentity/UnlinkDeveloperIdentity.hs b/gen/Network/AWS/CognitoIdentity/UnlinkDeveloperIdentity.hs
--- a/gen/Network/AWS/CognitoIdentity/UnlinkDeveloperIdentity.hs
+++ b/gen/Network/AWS/CognitoIdentity/UnlinkDeveloperIdentity.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.
 
 -- | Unlinks a 'DeveloperUserIdentifier' from an existing identity. Unlinked
 -- developer users will be considered new identities next time they are seen.
diff --git a/gen/Network/AWS/CognitoIdentity/UnlinkIdentity.hs b/gen/Network/AWS/CognitoIdentity/UnlinkIdentity.hs
--- a/gen/Network/AWS/CognitoIdentity/UnlinkIdentity.hs
+++ b/gen/Network/AWS/CognitoIdentity/UnlinkIdentity.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.
 
 -- | Unlinks a federated identity from an existing account. Unlinked logins will
 -- be considered new identities next time they are seen. Removing the last
diff --git a/gen/Network/AWS/CognitoIdentity/UpdateIdentityPool.hs b/gen/Network/AWS/CognitoIdentity/UpdateIdentityPool.hs
--- a/gen/Network/AWS/CognitoIdentity/UpdateIdentityPool.hs
+++ b/gen/Network/AWS/CognitoIdentity/UpdateIdentityPool.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.
 
 -- | Updates a user pool.
 --