diff --git a/nip77.test.ts b/nip77.test.ts
index 13479b5..510a309 100644
--- a/nip77.test.ts
+++ b/nip77.test.ts
@@ -28,10 +28,7 @@ function extractJSON(message: string) {
 describe('nip77 negentropy message helpers', () => {
   it('sendNegentropyMessage should send NEG-MSG with generated subscription id and filters flattened', () => {
     const relay = new MockRelay()
-    const filters: Filter[] = [
-      { kinds: [1], authors: ['abc'] },
-      { ids: ['deadbeef'] },
-    ]
+    const filters: Filter[] = [{ kinds: [1], authors: ['abc'] }, { ids: ['deadbeef'] }]
     sendNegentropyMessage(relay as any, 'hello', filters)
 
     expect(relay.sent.length).toBe(1)
diff --git a/nip77.ts b/nip77.ts
index 9c83ec5..e210dbf 100644
--- a/nip77.ts
+++ b/nip77.ts
@@ -1,17 +1,33 @@
 import { Filter } from './filter.ts'
 import { AbstractRelay } from './relay.ts'
 
-function sendNegentropyToRelay(open: boolean, relay: AbstractRelay, msg: string, filters: Filter[], subscriptionId?: any): void {
+function sendNegentropyToRelay(
+  open: boolean,
+  relay: AbstractRelay,
+  msg: string,
+  filters: Filter[],
+  subscriptionId?: any,
+): void {
   const subId = subscriptionId || Math.random().toString(36).slice(2, 10)
   const parts: any[] = [open ? 'NEG-OPEN' : 'NEG-MSG', subId, ...filters, msg]
   relay.send(JSON.stringify(parts))
 }
 
-export function sendNegentropyMessage(relay: AbstractRelay, msg: string, filters: Filter[], subscriptionId?: any): void {
+export function sendNegentropyMessage(
+  relay: AbstractRelay,
+  msg: string,
+  filters: Filter[],
+  subscriptionId?: any,
+): void {
   sendNegentropyToRelay(false, relay, msg, filters, subscriptionId)
 }
 
-export function openNegentropyWithMessage(relay: AbstractRelay, msg: string, filters: Filter[], subscriptionId?: any): void {
+export function openNegentropyWithMessage(
+  relay: AbstractRelay,
+  msg: string,
+  filters: Filter[],
+  subscriptionId?: any,
+): void {
   sendNegentropyToRelay(true, relay, msg, filters, subscriptionId)
 }