Add a description to the checksum target about not only being able to verify, but also having the ability to fetch distfiles that are missing or failed the checksum calculation
Add a description to the checksum target about not only
being able to verify, but also having the ability to
fetch distfiles that are missing or failed the checksum
calculation

PR:		docs/138887
Submitted by:	Radim Kolar (hsn at sendmail dot cz)
MFC after:	5 days

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase