diff --git a/lib/elixir/lib/string.ex b/lib/elixir/lib/string.ex
index 3215188ec68..4fb0cfe0811 100644
--- a/lib/elixir/lib/string.ex
+++ b/lib/elixir/lib/string.ex
@@ -447,7 +447,7 @@ defmodule String do
 
   ## Examples
 
-      String.at("elixir", 0) #=> "1"
+      String.at("elixir", 0) #=> "e"
       String.at("elixir", 1) #=> "l"
       String.at("elixir", 10) #=> nil
       String.at("elixir", -1) #=> "r"