diff --git a/rails6/fr/chapter03-presenting-users.adoc b/rails6/fr/chapter03-presenting-users.adoc
index 86da07a..78ca81f 100644
--- a/rails6/fr/chapter03-presenting-users.adoc
+++ b/rails6/fr/chapter03-presenting-users.adoc
@@ -576,6 +576,15 @@ class Api::V1::UsersController < ApplicationController
   end
 
   # ...
+  
+  def update
+    if @user.update(user_params)
+      render json: @user
+    else
+      render json: @user.errors, status: :unprocessable_entity
+    end
+  end
+  
 
   def create
     @user = User.new(user_params)