diff --git a/lib/ex_finance.ex b/lib/ex_finance.ex
index 80ca99f..e7c0c4f 100644
--- a/lib/ex_finance.ex
+++ b/lib/ex_finance.ex
@@ -6,4 +6,5 @@ defmodule ExFinance do
   Contexts are also responsible for managing your data, regardless
   if it comes from the database, an external API or others.
   """
+  def hello, do: :world
 end