update interop requirement to reflect updated specification (v.6+)

README.md

@@ -7,7 +7,7 @@
 
 **Awards**: We expect to give out a total of 200,000 USD in a mix of smaller and larger grants of size between 5,000 to 100,000 USD. These amounts may change.
 
-**Interoperability requirement**: as a key condition of the grant, all grantees must support interoperability by incorporating a process to publish their data in a flatfile format such as JSON, JSON-LD, or CSV. This requirement is described more fully in the [draft specification](https://docs.google.com/document/d/1G-2OVyJIvVTcQLPCg_mA3UzohSGZUm9dHPyWKwK4LlA/edit) and rationale accompanying this RFP.
+**Interoperability requirement**: as a key condition of the grant, all grantees must support interoperability by incorporating a process to publish their data in a flatfile format such as JSON, JSON-LD, or CSV as well as a process to import data into their tool from a flatfile. This requirement is described more fully in the [draft specification](https://docs.google.com/document/d/1G-2OVyJIvVTcQLPCg_mA3UzohSGZUm9dHPyWKwK4LlA/edit) and rationale accompanying this RFP.
 
 - the [full RFP (includes link to application form)](https://docs.google.com/document/d/1G-2OVyJIvVTcQLPCg_mA3UzohSGZUm9dHPyWKwK4LlA/edit)
 - the [full specification](https://docs.google.com/document/d/1px14n1qSKdsaqzUeKLfudEZ7LX0nvED09q2guGbRFY0/edit)