Corrections to the ROSES-19 Summary of Solicitation

In the ROSES-2019 Summary of Solicitation, Section V(b)iv "Research Investigations utilizing the International Space Station" has been updated to reflect a number of small changes from the International Space Station Research Integration Office, Section IV(b)ii "Proposal Format and Contents" now warns that digitally signed proposal PDFs must be avoided as they create errors that may prevent submission or review, and Section I(i) Citizen Science has been slightly updated.