Error doing update

Ive been doing a update ever other month or so just to see if there is anything new. Ive used the update command on the Flightware myadsb page and tried Sudo apt-get update and recieve the same error as follows. What is going on?

[2024-03-25 09:43 PDT] run-apt-get(15756): E: Failed to fetch http://flightaware.com/mirror/raspberrypi/debian/dists/buster/main/binary-armhf/Packages File has unexpected size (399855 != 399852). Mirror sync in progress? [IP: 104.18.39.201 80]
[2024-03-25 09:43 PDT] skipping action piaware
[2024-03-25 09:43 PDT] update request complete
[2024-03-25 09:43 PDT] child process 15756 exited with status EXIT 100
[2024-03-25 09:43 PDT] run-apt-get(15756): Reading package lists…
[2024-03-25 09:43 PDT] run-apt-get(15756): E: Some index files failed to download. They have been ignored, or old ones used instead.

Must of been a glitch. working fine now