PiZeroW: Direct firmware load error -2

I'm on Alpine 3.11 (sys mode) and get this message:
[ 13.855631] brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43430-sdio.raspberrypi,model-zero-w.txt failed with error -2

Wifi is working though, but curious about this error.

uname -a
Linux alpine 5.4.27-0-rpi #1-Alpine Mon Mar 23 18:27:02 UTC 2020 armv6l Linux

dmesg | grep brcmfmac
[   13.816668] brcmfmac: F1 signature read @0x18000000=0x1541a9a6
[   13.830391] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43430-sdio for chip BCM43430/1
[   13.830807] usbcore: registered new interface driver brcmfmac
[   13.855631] brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43430-sdio.raspberrypi,model-zero-w.txt failed with error -2
[   14.091997] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43430-sdio for chip BCM43430/1
[   14.104775] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM43430/1 wl0: Oct 22 2019 01:57:42 version 7.45.98.94 (r723000 CY) FWID 01-73a5ed62
[   16.875126] brcmfmac: brcmf_cfg80211_set_power_mgmt: power save enabled