Fix: Update mcp-clients.mdx

Author: phil71x

units/en/unit1/mcp-clients.mdx

@@ -248,7 +248,7 @@ Weather API: Get the weather in a specific location
 
 </details>
 
-We can also connect to an MCP server that is hosted on a remote machine. In this case, we need to pass the `SSEServerParameters` to the `ToolCollection.from_mcp` method. 
+We can also connect to an MCP server that is hosted on a remote machine. In this case, we need to pass the `SSEServerParameters` to the `MCPClient` class. 
 
 ```python
 from smolagents.mcp_client import MCPClient