diff --git a/README.md b/README.md
index 25e9e33..03e8a66 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,6 @@
 
 ```python
 pip install upy-rabbitmq
-
 ```
 
 ## Config
@@ -29,6 +28,7 @@ RABBITMQ_URL=amqp://user:password@remote.server.com:port//vhost
 ```
 
 ## Callback Class
+> callback.py
 
 ```python
 
@@ -43,6 +43,7 @@ class MyCallBack(CallbackProcess):
 ```
 
 ## Start Queue
+> worker.py
 
 ```python
 
@@ -56,6 +57,7 @@ worker.start_queue(
 ```
 
 ## New Task
+> client.py
 
 ```python
 from upy_rabbitmq.client import UpyMQClient
diff --git a/docs/index.md b/docs/index.md
index 3d92969..03e8a66 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -1,4 +1,4 @@
-# Upy-RabbitMQ
+# upy-rabbitmq
 
 ![GitHub Org's stars](https://img.shields.io/github/stars/UpyExplorer?label=LinuxProfile&style=flat-square)
 ![PyPI - Python Version](https://img.shields.io/pypi/pyversions/upy-rabbitmq)
@@ -27,7 +27,24 @@ Add an environment variation called **RABBITMQ_URL** in your project's .env file
 RABBITMQ_URL=amqp://user:password@remote.server.com:port//vhost
 ```
 
+## Callback Class
+> callback.py
+
+```python
+
+import time
+from upy_rabbitmq.callback import CallbackProcess
+
+class MyCallBack(CallbackProcess):
+
+    def process(self):
+        time.sleep(5)
+        print(self.body.decode())
+```
+
 ## Start Queue
+> worker.py
+
 ```python
 
 from upy_rabbitmq.worker import UpyMQWorker
@@ -35,11 +52,12 @@ from upy_rabbitmq.worker import UpyMQWorker
 worker = UpyMQWorker()
 worker.start_queue(
     key="key",
-    callback=callback
+    callback=MyCallBack
 )
 ```
 
 ## New Task
+> client.py
 
 ```python
 from upy_rabbitmq.client import UpyMQClient