diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Revision history for ebird-client
 
+## 0.2.0.0 -- 2023-12-16
+
+* Rename subregion items so that subregion is one word.
+* Bump `ebird-api` constraint.
+
 ## 0.1.0.0 -- 2023-07-30
 
 * First version. Released on an unsuspecting world.
diff --git a/ebird-client.cabal b/ebird-client.cabal
--- a/ebird-client.cabal
+++ b/ebird-client.cabal
@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               ebird-client
-version:            0.1.0.0
+version:            0.2.0.0
 synopsis:
     Client functions for querying the eBird API.
 description:
@@ -57,7 +57,7 @@
         Data.EBird.Client.Regions
         Data.EBird.Client.Taxonomy
     build-depends:
-      , ebird-api >= 0.1.0.0 && < 0.2
+      , ebird-api >= 0.2.0.0 && < 0.3
 
       , data-default    >= 0.7.1.1 && < 0.8
       , http-client-tls >= 0.3.5.3 && < 0.4
diff --git a/src/Data/EBird/Client.hs b/src/Data/EBird/Client.hs
--- a/src/Data/EBird/Client.hs
+++ b/src/Data/EBird/Client.hs
@@ -1,5 +1,5 @@
 {-# LANGUAGE DataKinds        #-}
-{-# LANGUAGE TypeApplications #-}
+
 {-# OPTIONS_GHC -Wno-unrecognised-pragmas #-}
 {-# HLINT ignore "Eta reduce" #-}
 
@@ -50,7 +50,7 @@
 
     -- ** Region queries
   , regionInfo
-  , subRegionList
+  , subregionList
   , adjacentRegions
 
     -- * Less convenient, generated queries
@@ -76,8 +76,8 @@
 askEBird :: ClientM a -> IO (Either ClientError a)
 askEBird question = do
     manager' <- newTlsManager
-    runClientM question (mkClientEnv manager' ebirdHQ)
+    runClientM question (mkClientEnv manager' eBirdHQ)
   where
     -- Home of the official eBird API
-    ebirdHQ :: BaseUrl
-    ebirdHQ = BaseUrl Https "api.ebird.org" 443 ""
+    eBirdHQ :: BaseUrl
+    eBirdHQ = BaseUrl Https "api.ebird.org" 443 ""
diff --git a/src/Data/EBird/Client/Generated.hs b/src/Data/EBird/Client/Generated.hs
--- a/src/Data/EBird/Client/Generated.hs
+++ b/src/Data/EBird/Client/Generated.hs
@@ -1,7 +1,7 @@
 {-# LANGUAGE DataKinds        #-}
 {-# LANGUAGE TypeApplications #-}
 
-{-# OPTIONS_GHC -Wno-unrecognised-pragmas #-}
+{-# OPTIONS_GHC -Wno-unrecognised-pragmas -ddump-verbose-inlinings #-}
 {-# HLINT ignore "Eta reduce" #-}
 
 -- |
@@ -56,7 +56,7 @@
 
     -- ** Region queries
   , regionInfo_
-  , subRegionList_
+  , subregionList_
   , adjacentRegions_
   ) where
 
@@ -709,13 +709,13 @@
   -- /default: 'Full'/
   -> ClientM RegionInfo
 
--- | Get a list of sub-regions of a given region type within a given region.
+-- | Get a list of subregions of a given region type within a given region.
 -- Keep in mind that many combinations of sub region and parent region are
 -- invalid, e.g. 'CountryType' regions within "US-WY".
 --
 -- See the [eBird API documentation for the corresponding
 -- endpoint](https://documenter.getpostman.com/view/664302/S1ENwy59#382da1c8-8bff-4926-936a-a1f8b065e7d5).
-subRegionList_
+subregionList_
   :: Text
   -- ^ eBird API key
   -> RegionType
@@ -760,5 +760,5 @@
   :<|> taxonomyVersions_
   :<|> taxonomicGroups_
   :<|> regionInfo_
-  :<|> subRegionList_
+  :<|> subregionList_
   :<|> adjacentRegions_ = client (Proxy @EBirdAPI)
diff --git a/src/Data/EBird/Client/Regions.hs b/src/Data/EBird/Client/Regions.hs
--- a/src/Data/EBird/Client/Regions.hs
+++ b/src/Data/EBird/Client/Regions.hs
@@ -96,22 +96,22 @@
 -- * Sub region list
 -------------------------------------------------------------------------------
 
--- | Get a list of sub-regions of a given region type within a given region.
--- Keep in mind that many combinations of sub-region and parent region are
+-- | Get a list of subregions of a given region type within a given region.
+-- Keep in mind that many combinations of subregion and parent region are
 -- invalid, e.g. 'CountryType' regions within \"US-WY\".
 --
 -- For example, get county sub regions of Wyoming (using @-XOverloadedStrings@):
 --
 -- @
--- askEBird $ subRegionList key Subnational2Type "US-WY"
+-- askEBird $ subregionList key Subnational2Type "US-WY"
 -- @
 --
--- Note that the endpoint for this query is simple enough that 'subRegionList'
--- is equivalent to the generated 'subRegionList_'.
+-- Note that the endpoint for this query is simple enough that 'subregionList'
+-- is equivalent to the generated 'subregionList_'.
 --
 -- See the [eBird API documentation for the corresponding
 -- endpoint](https://documenter.getpostman.com/view/664302/S1ENwy59#382da1c8-8bff-4926-936a-a1f8b065e7d5).
-subRegionList
+subregionList
   :: Text
   -- ^ eBird API key
   -> RegionType
@@ -119,7 +119,7 @@
   -> RegionCode
   -- ^ Parent 'RegionCode'
   -> ClientM [RegionListEntry]
-subRegionList = subRegionList_
+subregionList = subregionList_
 
 -------------------------------------------------------------------------------
 -- * Adjacent regions