Oatmeal Dome lists the actual patch notes of 16.0.2
[Nintendo Switch Firmware Update]
Version 16.0.2 is now out.
The bad words list and the SSL module (handles establishing secure connections to servers) was updated.
The word “adhd” was added to the Japanese bad words list. No other languages were affected.
— OatmealDome (@OatmealDome) April 18, 2023