tweak to readme

README.md

@@ -11,7 +11,8 @@ It's an open, permissively licensed, and portable single-file database that does
 not require setting up a client/server model. It's also likely that the database
 will fit into memory easily so performance issues aren't likely to be a problem.
 Also, most use cases of this data will likely be read only, so the sqlite
-limitations on concurrent writes won't be an issue either.
+limitations on concurrent writes won't be an issue either. Finally, it's
+permissively licensed.
 
 ## Why not JSON?