diff --git a/packages/syncthing/build.sh b/packages/syncthing/build.sh
index 2f8578f95..1041fd171 100644
--- a/packages/syncthing/build.sh
+++ b/packages/syncthing/build.sh
@@ -1,6 +1,8 @@
 TERMUX_PKG_HOMEPAGE=https://syncthing.net/
 TERMUX_PKG_DESCRIPTION="Decentralized file synchronization"
 TERMUX_PKG_LICENSE="MPL-2.0"
+# NOTE: as of 1.12.0 compilation fails when package zstd is
+# present in TERMUX_PREFIX.
 TERMUX_PKG_VERSION=1.12.0
 TERMUX_PKG_SRCURL=https://github.com/syncthing/syncthing/releases/download/v${TERMUX_PKG_VERSION}/syncthing-source-v${TERMUX_PKG_VERSION}.tar.gz
 TERMUX_PKG_SHA256=fb0b57581c59b050a6ad2fbde8058114dc380d7f27635eff91e8e1a86a3f1a29