diff --git a/node-binance-api.d.ts b/node-binance-api.d.ts
index 8aeb610f..b23d19c5 100644
--- a/node-binance-api.d.ts
+++ b/node-binance-api.d.ts
@@ -95,7 +95,7 @@ declare module "node-binance-api" {
          */
         subscriptions(...args: any): any[];
         subscriptions(...args: any): any;
-        
+
         /**
          * Terminates a web socket
          * @param {string} endpoint - the string associated with the endpoint
@@ -751,7 +751,7 @@ declare module "node-binance-api" {
         */
         aggTrades(symbol: _symbol, options?: any, callback?: _callback): Promise<any>;
         aggTrades(...args: any): any;
-        
+
         /**
         * Get the recent trades
         * @param {string} symbol - the symbol
@@ -1405,7 +1405,7 @@ declare module "node-binance-api" {
          * Futures WebSocket mark price
          * @param {symbol} symbol name or false. can also be a callback
          * @param {function} callback - callback function
-         * @param {string} speed - 1 second updates (@1s). leave blank for default 3 seconds 
+         * @param {string} speed - 1 second updates (@1s). leave blank for default 3 seconds
          * @return {string} the websocket endpoint
          */
         futuresMarkPriceStream(symbol?: _symbol, callback?: _callback, speed?: string): string;
@@ -1500,7 +1500,7 @@ declare module "node-binance-api" {
          * @param {string} endpoint - the string associated with the endpoint
          * @return {undefined}
          */
-        deliveryTerminate(endpoint: string);
+        deliveryTerminate(endpoint: string): any;
         deliveryTerminate(...args: any): any;
 
         /**