diff --git a/types/stellar-sdk/index.d.ts b/types/stellar-sdk/index.d.ts
index d7e1b0293e..955360d3f0 100644
--- a/types/stellar-sdk/index.d.ts
+++ b/types/stellar-sdk/index.d.ts
@@ -739,14 +739,14 @@ export namespace Operation {
     function fromXDRObject<T extends Operation>(xdrOperation: xdr.Operation<T>): T;
 }
 
-export class OperationCallBuilder extends CallBuilder<OperationRecord> { 
+export class OperationCallBuilder extends CallBuilder<OperationRecord> {
     forAccount(accountId: string): this;
     forLedger(sequence: string): this;
     forTransaction(transactionId: string): this;
 }
 export class OrderbookCallBuilder extends CallBuilder<OrderbookRecord> { }
 export class PathCallBuilder extends CallBuilder<PaymentPathRecord> { }
-export class PaymentCallBuilder extends CallBuilder<PaymentOperationRecord> { 
+export class PaymentCallBuilder extends CallBuilder<PaymentOperationRecord> {
     forAccount(accountId: string): this;
     forLedger(sequence: string): this;
     forTransaction(transactionId: string): this;