diff --git a/main/opensbi/APKBUILD b/main/opensbi/APKBUILD
index af8e9027bbdb50fdfee317be9d5935b5888c61f9..1fbd241f96db01f1811aab190d838d93699dc0bc 100644
--- a/main/opensbi/APKBUILD
+++ b/main/opensbi/APKBUILD
@@ -1,6 +1,7 @@
 # Contributor: Milan P. Stanić <mps@arvanta.net>
 # Maintainer: Milan P. Stanić <mps@arvanta.net>
 pkgname=opensbi
+# XXX: Updates require rebuilds of main/u-boot.
 pkgver=0.9
 pkgrel=0
 pkgdesc="risc-v open source supervisor binary interface"