diff --git a/CHANGELOG.md b/CHANGELOG.md
deleted file mode 100644
--- a/CHANGELOG.md
+++ /dev/null
@@ -1,9 +0,0 @@
-# shake-ext
-
-## 3.1.0.0
-
-  * Remove Elm-related functionality
-
-## 3.0.2.0
-
-  * Add `getRust` and `getSixten` functions for file detection.
diff --git a/shake-ext.cabal b/shake-ext.cabal
--- a/shake-ext.cabal
+++ b/shake-ext.cabal
@@ -1,19 +1,18 @@
 cabal-version: 1.18
 name: shake-ext
-version: 3.1.0.0
+version: 3.1.0.1
 license: BSD3
 license-file: LICENSE
 copyright: Copyright: (c) 2018 Vanessa McHale
 maintainer: vamchale@gmail.com
 author: Vanessa McHale
-bug-reports: https://hub.darcs.net/vmchale/shake-ext/issues
+bug-reports: https://hub.darcs.net/vmchale/ats/issues
 synopsis: Helper functions for linting with shake
 description:
     This package provides several linters out of the box, for use with [shake](http://shakebuild.com/).
 category: Development, Shake
 build-type: Simple
 extra-doc-files: README.md
-                 CHANGELOG.md
 
 source-repository head
     type: darcs
@@ -40,14 +39,14 @@
         base >=4.8 && <5,
         directory -any,
         shake >=0.14
-    
+
     if !impl(ghc >=8.0)
         build-depends:
             transformers -any,
             semigroups -any
-    
+
     if flag(development)
         ghc-options: -Werror
-    
+
     if impl(ghc >=8.0)
         ghc-options: -Wincomplete-uni-patterns -Wincomplete-record-updates
diff --git a/src/Development/Shake/Linters.hs b/src/Development/Shake/Linters.hs
--- a/src/Development/Shake/Linters.hs
+++ b/src/Development/Shake/Linters.hs
@@ -40,7 +40,7 @@
 checkIdempotent s p = do
     contents <- liftIO $ readFile p
     (Stdout out) <- cmd (s ++ " " ++ p)
-    when (trim contents /= trim out) (error "formatter is not fully applied!")
+    when (trim contents /= trim out) (error $ "formatter " ++ s ++ " is not fully applied!")
 
 -- | Check that given files are formatted according to @stylish-haskell@
 stylishHaskell :: [FilePath] -> Action ()