diff --git a/packages/portalnetwork/src/client/client.ts b/packages/portalnetwork/src/client/client.ts
index f1e372ccd..af08fd983 100644
--- a/packages/portalnetwork/src/client/client.ts
+++ b/packages/portalnetwork/src/client/client.ts
@@ -450,9 +450,9 @@ export class PortalNetwork extends (EventEmitter as { new (): PortalNetworkEvent
   /**
    *
    * @param dstId `NodeId` of message recipient
-   * @param payload `Buffer` serialized payload of message
+   * @param payload `Uint8Array` serialized payload of message
    * @param networkId subnetwork ID of subnetwork message is being sent on
-   * @returns response from `dstId` as `Buffer` or null `Buffer`
+   * @returns response from `dstId` as `Uint8Array` or empty array
    */
   public sendPortalNetworkMessage = async (
     enr: ENR | string,
diff --git a/packages/portalnetwork/src/networks/network.ts b/packages/portalnetwork/src/networks/network.ts
index dfad0e163..d2828f256 100644
--- a/packages/portalnetwork/src/networks/network.ts
+++ b/packages/portalnetwork/src/networks/network.ts
@@ -93,6 +93,14 @@ export abstract class BaseNetwork extends EventEmitter {
   async handleNewRequest(request: INewRequest): Promise<ContentRequest> {
     return this.portal.uTP.handleNewRequest(request)
   }
+
+  /**
+   * Send a properly formatted Portal Network message to another node
+   * @param dstId `NodeId` of message recipient
+   * @param payload `Uint8Array` serialized payload of message
+   * @param networkId subnetwork ID of subnetwork message is being sent on
+   * @returns response from `dstId` as `Buffer` or null `Buffer`
+   */
   async sendMessage(
     enr: ENR | string,
     payload: Uint8Array,
@@ -101,6 +109,7 @@ export abstract class BaseNetwork extends EventEmitter {
   ): Promise<Uint8Array> {
     return this.portal.sendPortalNetworkMessage(enr, payload, networkId, utpMessage)
   }
+
   sendResponse(src: INodeAddress, requestId: bigint, payload: Uint8Array): Promise<void> {
     return this.portal.sendPortalNetworkResponse(src, requestId, payload)
   }