Update midir doc

Author: y-usuzumi

docs/notes/midir_precise_timing.md

@@ -11,6 +11,8 @@ I did not observe this in the previous test was because midir defaults the ALSA
 
 ~~However, I tested using the `test_play.rs` example in the midir repo, and even with a buffer size of 2048 the notes match their expected play time pretty well. Maybe I need to decrease sample rate as well.~~
 
+Update 2025/03/10: It turns out that even the original C++ library [RtMidi](https://github.com/thestk/rtmidi) which this repo is based off of has the exact same issue. The code does look similar after all, although I don't really know C++. Similarly, the ALSA implementation in RtMidi also works perfectly.
+
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 You've hit upon a critical point regarding real-time audio and MIDI processing in JACK, and your concerns about std::thread::sleep are absolutely valid.