Typo in UPDServer docs

[swAAn01]

Your Godot version: 4.4 (stable)

Issue description: Typos found in UDPServer docs

URL to the documentation page: https://docs.godotengine.org/en/stable/classes/class_udpserver.html

[AThousandShips]

Should be "from a known" not "an"

[swAAn01]

Yup. Thanks for catching my typo lol