diff --git a/CHANGELOG.md b/CHANGELOG.md
index c311f82..114ed07 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,3 +7,4 @@
 
 ### Bugs Fixed
 * tres/secure_channel: Fix to interpolate terms when logging
+* tres/message_handler: Fix to use `DynamicSupervisor` instead of `:simple_one_for_one`
diff --git a/README.md b/README.md
index 69efd9b..9628a3a 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ config :tres,
 ```
 
 To use `Tres.Controller` with your code, set the handler callback_module to your callback module.
-This module must implement the `Module.start_link/2` that returns `on_start`.
+This module must implement the `Module.start_link/1` that returns `on_start`.
 
 Set the callback_args to the terms you want pass to the `start_link/2` callback function.
 
@@ -35,7 +35,7 @@ defmodule Sample do
   use GenServer
   use Tres.Controller
 
-  def start_link(datapath_id, _start_args) do
+  def start_link([datapath_id, _start_args]) do
     GenServer.start_link(__MODULE__, [datapath_id])
   end