I randomly found this new meta SPDX-License-Identifier: where you can add one line. // Copyright (c) 2026 Jane Smith // SPDX-License-Identifier: MIT https://spdx.org/licenses/ https://spdx.dev/learn/handling-license-info/ https://github.com/david-a-wheeler/spdx-tutorial Thought I might mention this as I have never heard of this standard. I assume it is still legal but, IANAL.