diff --git a/.formatter.exs b/.formatter.exs
new file mode 100644
index 0000000..acb6848
--- /dev/null
+++ b/.formatter.exs
@@ -0,0 +1,4 @@
+[
+  inputs: ["{mix,.formatter}.exs", "{config,lib,test}/**/*.{ex,exs}"],
+  import_deps: [:plug]
+]
diff --git a/test/turbolinks_test.exs b/test/turbolinks_test.exs
index ddb5c1a..607c263 100644
--- a/test/turbolinks_test.exs
+++ b/test/turbolinks_test.exs
@@ -2,6 +2,7 @@ defmodule TurbolinksTest do
   use ExUnit.Case
   use Plug.Test
   use Turbolinks
+
   doctest Turbolinks
 
   describe "redirect/2" do
@@ -41,7 +42,7 @@ defmodule TurbolinksTest do
       assert Enum.member?(conn.resp_headers, {"location", "/url"})
       assert conn.status == 302
     end
-    
+
     test "returns the conn with status 308 if :xhr_status is 308" do
       conn =
         conn(:post, "/", "")