fixed wrong doc link (#1449)

* fixed wrong doc link

* directly referenced file

Co-authored-by: Jack Gerrits <[email protected]>

* Update website/docs/Use-Cases/agent_chat.md

---------

Co-authored-by: Jack Gerrits <[email protected]>
Co-authored-by: Chi Wang <[email protected]>

Author: 3 people

website/docs/Use-Cases/agent_chat.md

@@ -54,7 +54,7 @@ or Pydantic models:
 
 The following examples illustrates the process of registering a custom function for currency exchange calculation that uses type hints and standard Python datatypes:
 
-1. First, we import necessary libraries and configure models using [`autogen.config_list_from_json`](../FAQ#set-your-api-endpoints) function:
+1. First, we import necessary libraries and configure models using [`autogen.config_list_from_json`](/docs/FAQ#set-your-api-endpoints) function:
 
 ``` python
 from typing import Literal