diff --git a/lib/ex_aws/s3.ex b/lib/ex_aws/s3.ex
index c702a93..c8a3a24 100644
--- a/lib/ex_aws/s3.ex
+++ b/lib/ex_aws/s3.ex
@@ -85,7 +85,9 @@ defmodule ExAws.S3 do
   @spec list_buckets() :: ExAws.Operation.S3.t()
   @spec list_buckets(opts :: Keyword.t()) :: ExAws.Operation.S3.t()
   def list_buckets(opts \\ []) do
-    request(:get, "", "/", [params: opts], parser: &ExAws.S3.Parsers.parse_all_my_buckets_result/1)
+    request(:get, "", "/", [params: opts],
+      parser: &ExAws.S3.Parsers.parse_all_my_buckets_result/1
+    )
   end
 
   @doc "Delete a bucket"