diff --git a/content/concepts/legal-reqs.md b/content/concepts/legal-reqs.md
index fe4d146b..0f828893 100644
--- a/content/concepts/legal-reqs.md
+++ b/content/concepts/legal-reqs.md
@@ -24,7 +24,10 @@ Otherwise you are an "external contributor" and you must do the following:
    # SPDX-License-Identifier: Apache-2.0
    ```
 
-   If a copyright notice is not present, then add one. Make sure you're using the correct syntax for comments (which varies from language to language). The example shown above is for a Python file.
+   - If a copyright notice is not present, then add one.
+   - If the first line of the file is a line beginning with `#!` (e.g. `#!/usr/bin/python3`) then leave that as the first line and add the copyright notice afterwards.
+   - If a copyright notice is present but it says something like `Copyright 2018 Ocean Protocol Foundation` then please change it to say the above.
+   - Make sure you're using the correct syntax for comments (which varies from language to language). The example shown above is for a Python file.
 1. Read the [Developer Certificate of Origin, Version 1.1](https://developercertificate.org/).
 1. You will be asked to include a Signed-off-by line in all your commit messages. (Instructions are given in the next step.) Make sure you understand that including a Signed-off-by line in your commits certifies that you can make the statements in the Developer Certificate of Origin. If you have questions about this, then please [ask on Gitter](https://gitter.im/oceanprotocol/Lobby) or elsewhere. Do not continue until you fully understand.
 1. Make sure that all your commit messages include a Signed-off-by line of the form: