diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@
 
 ## Version
 
-`1.0.0`
+`1.0.1`
 
 
 ## Description
diff --git a/amazonka-route53.cabal b/amazonka-route53.cabal
--- a/amazonka-route53.cabal
+++ b/amazonka-route53.cabal
@@ -1,5 +1,5 @@
 name:                  amazonka-route53
-version:               1.0.0
+version:               1.0.1
 synopsis:              Amazon Route 53 SDK.
 homepage:              https://github.com/brendanhay/amazonka
 license:               OtherLicense
@@ -85,7 +85,7 @@
         , Network.AWS.Route53.Types.Sum
 
     build-depends:
-          amazonka-core == 1.0.0.*
+          amazonka-core == 1.0.1.*
         , base          >= 4.7     && < 5
 
 test-suite amazonka-route53-test
@@ -104,9 +104,9 @@
         , Test.AWS.Route53.Internal
 
     build-depends:
-          amazonka-core == 1.0.0
-        , amazonka-test == 1.0.0
-        , amazonka-route53 == 1.0.0
+          amazonka-core == 1.0.1
+        , amazonka-test == 1.0.1
+        , amazonka-route53 == 1.0.1
         , base
         , bytestring
         , lens
diff --git a/gen/Network/AWS/Route53/ListHostedZones.hs b/gen/Network/AWS/Route53/ListHostedZones.hs
--- a/gen/Network/AWS/Route53/ListHostedZones.hs
+++ b/gen/Network/AWS/Route53/ListHostedZones.hs
@@ -46,10 +46,10 @@
     , listHostedZonesResponse
     , ListHostedZonesResponse
     -- * Response Lenses
+    , lhzrsMarker
     , lhzrsNextMarker
     , lhzrsStatus
     , lhzrsHostedZones
-    , lhzrsMarker
     , lhzrsIsTruncated
     , lhzrsMaxItems
     ) where
@@ -130,10 +130,11 @@
           = receiveXML
               (\ s h x ->
                  ListHostedZonesResponse' <$>
-                   (x .@? "NextMarker") <*> (pure (fromEnum s)) <*>
+                   (x .@? "Marker") <*> (x .@? "NextMarker") <*>
+                     (pure (fromEnum s))
+                     <*>
                      (x .@? "HostedZones" .!@ mempty >>=
                         parseXMLList "HostedZone")
-                     <*> (x .@ "Marker")
                      <*> (x .@ "IsTruncated")
                      <*> (x .@ "MaxItems"))
 
@@ -153,10 +154,10 @@
 --
 -- /See:/ 'listHostedZonesResponse' smart constructor.
 data ListHostedZonesResponse = ListHostedZonesResponse'
-    { _lhzrsNextMarker  :: !(Maybe Text)
+    { _lhzrsMarker      :: !(Maybe Text)
+    , _lhzrsNextMarker  :: !(Maybe Text)
     , _lhzrsStatus      :: !Int
     , _lhzrsHostedZones :: ![HostedZone]
-    , _lhzrsMarker      :: !Text
     , _lhzrsIsTruncated :: !Bool
     , _lhzrsMaxItems    :: !Text
     } deriving (Eq,Read,Show,Data,Typeable,Generic)
@@ -165,33 +166,38 @@
 --
 -- Use one of the following lenses to modify other fields as desired:
 --
+-- * 'lhzrsMarker'
+--
 -- * 'lhzrsNextMarker'
 --
 -- * 'lhzrsStatus'
 --
 -- * 'lhzrsHostedZones'
 --
--- * 'lhzrsMarker'
---
 -- * 'lhzrsIsTruncated'
 --
 -- * 'lhzrsMaxItems'
 listHostedZonesResponse
     :: Int -- ^ 'lhzrsStatus'
-    -> Text -- ^ 'lhzrsMarker'
     -> Bool -- ^ 'lhzrsIsTruncated'
     -> Text -- ^ 'lhzrsMaxItems'
     -> ListHostedZonesResponse
-listHostedZonesResponse pStatus_ pMarker_ pIsTruncated_ pMaxItems_ =
+listHostedZonesResponse pStatus_ pIsTruncated_ pMaxItems_ =
     ListHostedZonesResponse'
-    { _lhzrsNextMarker = Nothing
+    { _lhzrsMarker = Nothing
+    , _lhzrsNextMarker = Nothing
     , _lhzrsStatus = pStatus_
     , _lhzrsHostedZones = mempty
-    , _lhzrsMarker = pMarker_
     , _lhzrsIsTruncated = pIsTruncated_
     , _lhzrsMaxItems = pMaxItems_
     }
 
+-- | If the request returned more than one page of results, submit another
+-- request and specify the value of 'NextMarker' from the last response in
+-- the 'marker' parameter to get the next page of results.
+lhzrsMarker :: Lens' ListHostedZonesResponse (Maybe Text)
+lhzrsMarker = lens _lhzrsMarker (\ s a -> s{_lhzrsMarker = a});
+
 -- | Indicates where to continue listing hosted zones. If
 -- ListHostedZonesResponse$IsTruncated is 'true', make another request to
 -- 'ListHostedZones' and include the value of the 'NextMarker' element in
@@ -207,12 +213,6 @@
 -- associated with the current AWS account.
 lhzrsHostedZones :: Lens' ListHostedZonesResponse [HostedZone]
 lhzrsHostedZones = lens _lhzrsHostedZones (\ s a -> s{_lhzrsHostedZones = a}) . _Coerce;
-
--- | If the request returned more than one page of results, submit another
--- request and specify the value of 'NextMarker' from the last response in
--- the 'marker' parameter to get the next page of results.
-lhzrsMarker :: Lens' ListHostedZonesResponse Text
-lhzrsMarker = lens _lhzrsMarker (\ s a -> s{_lhzrsMarker = a});
 
 -- | A flag indicating whether there are more hosted zones to be listed. If
 -- your results were truncated, you can make a follow-up request for the
diff --git a/gen/Network/AWS/Route53/Types/Sum.hs b/gen/Network/AWS/Route53/Types/Sum.hs
--- a/gen/Network/AWS/Route53/Types/Sum.hs
+++ b/gen/Network/AWS/Route53/Types/Sum.hs
@@ -32,13 +32,13 @@
         "delete" -> pure Delete
         "upsert" -> pure Upsert
         e -> fromTextError $ "Failure parsing ChangeAction from value: '" <> e
-           <> "'. Accepted values: create, delete, upsert"
+           <> "'. Accepted values: CREATE, DELETE, UPSERT"
 
 instance ToText ChangeAction where
     toText = \case
-        Create -> "create"
-        Delete -> "delete"
-        Upsert -> "upsert"
+        Create -> "CREATE"
+        Delete -> "DELETE"
+        Upsert -> "UPSERT"
 
 instance Hashable     ChangeAction
 instance ToByteString ChangeAction
@@ -58,12 +58,12 @@
         "insync" -> pure Insync
         "pending" -> pure Pending
         e -> fromTextError $ "Failure parsing ChangeStatus from value: '" <> e
-           <> "'. Accepted values: insync, pending"
+           <> "'. Accepted values: INSYNC, PENDING"
 
 instance ToText ChangeStatus where
     toText = \case
-        Insync -> "insync"
-        Pending -> "pending"
+        Insync -> "INSYNC"
+        Pending -> "PENDING"
 
 instance Hashable     ChangeStatus
 instance ToByteString ChangeStatus
@@ -83,12 +83,12 @@
         "primary" -> pure Primary
         "secondary" -> pure Secondary
         e -> fromTextError $ "Failure parsing Failover from value: '" <> e
-           <> "'. Accepted values: primary, secondary"
+           <> "'. Accepted values: PRIMARY, SECONDARY"
 
 instance ToText Failover where
     toText = \case
-        Primary -> "primary"
-        Secondary -> "secondary"
+        Primary -> "PRIMARY"
+        Secondary -> "SECONDARY"
 
 instance Hashable     Failover
 instance ToByteString Failover
@@ -117,15 +117,15 @@
         "http_str_match" -> pure HTTPStrMatch
         "tcp" -> pure TCP
         e -> fromTextError $ "Failure parsing HealthCheckType from value: '" <> e
-           <> "'. Accepted values: http, https, https_str_match, http_str_match, tcp"
+           <> "'. Accepted values: HTTP, HTTPS, HTTPS_STR_MATCH, HTTP_STR_MATCH, TCP"
 
 instance ToText HealthCheckType where
     toText = \case
-        HTTP -> "http"
-        HTTPS -> "https"
-        HTTPSStrMatch -> "https_str_match"
-        HTTPStrMatch -> "http_str_match"
-        TCP -> "tcp"
+        HTTP -> "HTTP"
+        HTTPS -> "HTTPS"
+        HTTPSStrMatch -> "HTTPS_STR_MATCH"
+        HTTPStrMatch -> "HTTP_STR_MATCH"
+        TCP -> "TCP"
 
 instance Hashable     HealthCheckType
 instance ToByteString HealthCheckType
@@ -164,20 +164,20 @@
         "srv" -> pure Srv
         "txt" -> pure Txt
         e -> fromTextError $ "Failure parsing RecordType from value: '" <> e
-           <> "'. Accepted values: a, aaaa, cname, mx, ns, ptr, soa, spf, srv, txt"
+           <> "'. Accepted values: A, AAAA, CNAME, MX, NS, PTR, SOA, SPF, SRV, TXT"
 
 instance ToText RecordType where
     toText = \case
-        A -> "a"
-        Aaaa -> "aaaa"
-        Cname -> "cname"
-        MX -> "mx"
-        NS -> "ns"
-        Ptr -> "ptr"
-        Soa -> "soa"
-        Spf -> "spf"
-        Srv -> "srv"
-        Txt -> "txt"
+        A -> "A"
+        Aaaa -> "AAAA"
+        Cname -> "CNAME"
+        MX -> "MX"
+        NS -> "NS"
+        Ptr -> "PTR"
+        Soa -> "SOA"
+        Spf -> "SPF"
+        Srv -> "SRV"
+        Txt -> "TXT"
 
 instance Hashable     RecordType
 instance ToByteString RecordType
