From 5a5ae255b597a23a15671edf608a9951ea662779 Mon Sep 17 00:00:00 2001
From: Heiko Schaefer <heiko@schaefer.name>
Date: Thu, 19 May 2022 16:28:34 +0200
Subject: [PATCH] Document Dockerfile.hardware-builddeps usage

---
 card-functionality/docker/Dockerfile.hardware-builddeps | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/card-functionality/docker/Dockerfile.hardware-builddeps b/card-functionality/docker/Dockerfile.hardware-builddeps
index dabaac3..a224801 100644
--- a/card-functionality/docker/Dockerfile.hardware-builddeps
+++ b/card-functionality/docker/Dockerfile.hardware-builddeps
@@ -2,6 +2,9 @@
 # SPDX-FileCopyrightText: 2021 Nora Widdecke <mail@nora.pink>
 # SPDX-License-Identifier: CC0-1.0
 
+# Base image for running CI tests against physical OpenPGP cards:
+# Debian image + build dependencies for Sequoia PGP, and build/run time dependencies for openpgp-card.
+
 FROM rust:1-slim-bullseye
 
 RUN apt update -y -qq \