add numbers to the summary

policy/tpa-rfc-40-cymru-migration.md

@@ -2,8 +2,9 @@
 title: TPA-RFC-40: Cymru migration budget
 ---
 
-Summary: buy a few large servers to move the Cymru machines to a
-trusted colocation facility.
+Summary: buy three large servers to migrate services from Cymru to a
+trusted colocation facility. hardware: 42k$ ± 5k$ for 5-7 years,
+colocation fees: 600$/mth.
 
 Note: this is a huge document. The executive summary is above, to see
 more details of the proposals, jump to the "Proposal" section