Data Property: licenseComments

comment "This field provides a place for the SPDX file creator to record any relevant background information or analysis that went in to arriving at the Concluded License for an SPDX item. If the Concluded License does not match the Declared License or License Information from Files, this should be explained by the SPDX file creator. Its is also preferable to include an explanation here when the Concluded License is NOASSERTION. " (en)
term_status "stable" (en)

http://spdx.org/rdf/terms#licenseComments