diff --git a/express-serve-static-core/index.d.ts b/express-serve-static-core/index.d.ts
index e42568b14c..2cec8a8bf4 100644
--- a/express-serve-static-core/index.d.ts
+++ b/express-serve-static-core/index.d.ts
@@ -860,7 +860,7 @@ interface RequestParamHandler {
     (req: Request, res: Response, next: NextFunction, value: any, name: string): any;
 }
 
-type ApplicaitonRequestHandler<T> =  IRouterHandler<T> & IRouterMatcher<T> & {
+type ApplicationRequestHandler<T> =  IRouterHandler<T> & IRouterMatcher<T> & {
   (...handlers: RequestHandlerParams[]): T;
 };
 
@@ -1105,7 +1105,7 @@ interface Application extends IRouter, Express.Application {
      */
     _router: any;
 
-    use: ApplicaitonRequestHandler<this>;
+    use: ApplicationRequestHandler<this>;
 }
 
 interface Express extends Application {