FOSS (RPL) license claim in documentation

[jeremycook]

Issue / Steps to reproduce the problem

I believe this to be a document bug that deserves clarification. The license warning at https://identityserver4.readthedocs.io/en/latest/ claims "FOSS (RPL)" which conflicts with or perhaps elides the non-commercial condition applied to RPL in the PDF at https://duendesoftware.com/license/identityserver.pdf

Text from the warning in the docs:

The new Duende IdentityServer is available under both a FOSS (RPL) and a commercial license.

Text from the PDF hosted on the official Duende website:

By accessing the Duende™ IndentityServer software libraries, you are agreeing to one
of the following licenses:
• If you wish to evaluate or use the Duende™ software libraries in a NonCommercial Manner*
, you may download and access the source and/or binaries
at no charge under the Reciprocal Public License 1.5 (RPL-1.5) (the “RPL”);
or
• If you are a Small Entity** and wish to use the Duende™ software libraries
commercially for one year, you may download and use them (without any payment)
under the Software License Agreement below;
or
• If you wish to use the Duende™ software libraries commercially for one year, you
may download and use them (with the appropriate payment) under the Software
License Agreement below.