diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,5 @@
+# 0.4.1 (2017-07-13)
+    * Improved the rendering of constructors in generic sum editors
 # 0.4.0 (2017-07-13)
     * Fixed a bug in the layout engine
     * Dropped editorDefSetup
diff --git a/src/Graphics/UI/Threepenny/Editors/Profunctor.hs b/src/Graphics/UI/Threepenny/Editors/Profunctor.hs
--- a/src/Graphics/UI/Threepenny/Editors/Profunctor.hs
+++ b/src/Graphics/UI/Threepenny/Editors/Profunctor.hs
@@ -204,7 +204,7 @@
 editorGeneric' (Newtype _ _ c) = constructorEditorFor c
 
 newtype Tag = Tag String deriving (Eq, Ord)
-instance Show Tag where show (Tag t) = t
+instance Show Tag where show (Tag t) = init $ toFieldLabel t
 
 constructorEditorsFor
   :: forall xx . (All (All Editable `And` All Default) xx)
diff --git a/threepenny-editors.cabal b/threepenny-editors.cabal
--- a/threepenny-editors.cabal
+++ b/threepenny-editors.cabal
@@ -3,7 +3,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           threepenny-editors
-version:        0.4.0
+version:        0.4.1
 synopsis:       Composable algebraic editors
 description:    This package provides a type class 'Editable' and combinators to
                 easily put together form-like editors for algebraic datatypes.