diff --git a/pyrogram/client/handlers/disconnect_handler.py b/pyrogram/client/handlers/disconnect_handler.py
index 67d0ae02..71123248 100644
--- a/pyrogram/client/handlers/disconnect_handler.py
+++ b/pyrogram/client/handlers/disconnect_handler.py
@@ -20,6 +20,19 @@ from .handler import Handler
 
 
 class DisconnectHandler(Handler):
-    # TODO: Documentation
+    """The Disconnect handler class. Used to handle disconnections. It is intended to be used with
+    :meth:`add_handler() <pyrogram.Client.add_handler>`
+
+
+    Args:
+        callback (``callable``):
+            Pass a function that will be called when a disconnection occurs. It takes *(client)*
+            as positional argument (look at the section below for a detailed description).
+
+    Other parameters:
+        client (:obj:`Client <pyrogram.Client>`):
+            The Client itself. Useful, for example, when you want to change the proxy before a new connection
+            is established.
+    """
     def __init__(self, callback: callable):
         super().__init__(callback)