s/contract/program/

web3.js/src/index.js

@@ -2,5 +2,5 @@
 export {Account} from './account';
 export {Connection} from './connection';
 export {Transaction} from './transaction';
-export {SystemContract} from './system-contract';
-export {BudgetContract} from './budget-contract';
+export {SystemProgram} from './system-program';
+export {BudgetProgram} from './budget-program';