diff --git a/getting_started/3.markdown b/getting_started/3.markdown
index 8e297cb2c..311fb3777 100644
--- a/getting_started/3.markdown
+++ b/getting_started/3.markdown
@@ -464,6 +464,6 @@ In other words, we are simply calling the function `flatten` on the atom `:lists
 ```iex
 iex> is_atom(List)
 true
-iex> to_binary(List)
+iex> to_string(List)
 "Elixir.List"
 ```