diff --git a/lib/prom_ex/storage/core.ex b/lib/prom_ex/storage/core.ex
index 291da98..224147f 100644
--- a/lib/prom_ex/storage/core.ex
+++ b/lib/prom_ex/storage/core.ex
@@ -25,4 +25,4 @@ defmodule PromEx.Storage.Core do
 
     Core.child_spec(opts)
   end
-end
\ No newline at end of file
+end