diff --git a/CHANGELOG.md b/CHANGELOG.md
index ab89513aa..da235e454 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,10 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## unreleased
 
-- Allow nested objects and arrays  in JSON post for jsonb columns
+- Return 404 if no records updated by PATCH
+- Return range headers in PATCH
+- Return PATCHed resources if header "Prefer: return=representation"
+- Allow nested objects and arrays in JSON post for jsonb columns
 
 ## [0.2.8.0] - 2015-04-17
 ### Added
diff --git a/src/App.hs b/src/App.hs
index 280cd6880..f49ac356b 100644
--- a/src/App.hs
+++ b/src/App.hs
@@ -39,8 +39,6 @@ import PgQuery
 import RangeQuery
 import PgStructure
 
-import Debug.Trace
-
 app :: Text -> BL.ByteString -> Request -> H.Tx P.Postgres s Response
 app v1schema reqBody req =
   case (path, verb) of
@@ -173,7 +171,7 @@ app v1schema reqBody req =
               "select count(t), array_to_json(array_agg(row_to_json(t)))::character varying"
               V.empty True
 
-        row <- H.maybeEx $ traceShow (B.stmtTemplate patch) patch
+        row <- H.maybeEx patch
         let (queryTotal, body) =
               fromMaybe (0 :: Int, Just "" :: Maybe Text) row
             r = contentRangeH 0 (queryTotal-1) queryTotal