Point to docker images used in the CI
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
diff --git a/tests/make-in-docker.sh b/tests/make-in-docker.sh
index 77dc8ab..0ee08dc 100755
--- a/tests/make-in-docker.sh
+++ b/tests/make-in-docker.sh
@@ -8,6 +8,10 @@
#
# See also:
# - scripts/docker_env.sh for general Docker prerequisites and other information.
+#
+# WARNING: the Dockerfile used by this script is no longer maintained! See
+# https://github.com/Mbed-TLS/mbedtls-test/blob/master/README.md#quick-start
+# for the set of Docker images we use on the CI.
# Copyright The Mbed TLS Contributors
# SPDX-License-Identifier: Apache-2.0