diff --git a/Yesod/Auth/OAuth2.hs b/Yesod/Auth/OAuth2.hs
--- a/Yesod/Auth/OAuth2.hs
+++ b/Yesod/Auth/OAuth2.hs
@@ -29,9 +29,8 @@
 
 import qualified Data.ByteString.Lazy as BSL
 
-data YesodOAuth2Exception = InvalidProfileResponse
-    Text           -- ^ Provider name
-    BSL.ByteString -- ^ Aeson parse error
+-- | Provider name and Aeson parse error
+data YesodOAuth2Exception = InvalidProfileResponse Text BSL.ByteString
     deriving (Show, Typeable)
 
 instance Exception YesodOAuth2Exception
diff --git a/yesod-auth-oauth2.cabal b/yesod-auth-oauth2.cabal
--- a/yesod-auth-oauth2.cabal
+++ b/yesod-auth-oauth2.cabal
@@ -1,5 +1,5 @@
 name:            yesod-auth-oauth2
-version:         0.0.5
+version:         0.0.5.1
 license:         BSD3
 license-file:    LICENSE
 author:          Tom Streller