diff --git a/express/express.d.ts b/express/express.d.ts
index d02c40d96..7f12a9f81 100644
--- a/express/express.d.ts
+++ b/express/express.d.ts
@@ -485,8 +485,12 @@ declare module "express" {
              *
              * Options:
              *
-             *   - `maxAge` defaulting to 0
-             *   - `root`   root directory for relative filenames
+             *   - `maxAge`   defaulting to 0 (can be string converted by `ms`)
+             *   - `root`     root directory for relative filenames
+             *   - `headers`  object of headers to serve with file
+             *   - `dotfiles` serve dotfiles, defaulting to false; can be `"allow"` to send them
+             *
+             * Other options are passed along to `send`.
              *
              * Examples:
              *
@@ -507,6 +511,16 @@ declare module "express" {
              *         }
              *       });
              *     });
+             *
+             * @api public
+             */
+            sendFile(path: string): void;
+            sendFile(path: string, options: any): void;
+            sendFile(path: string, fn: Errback): void;
+            sendFile(path: string, options: any, fn: Errback): void;
+
+            /**
+             * deprecated, use sendFile instead.
              */
             sendFile(path: string): void;
             sendFile(path: string, options: any): void;
@@ -514,8 +528,17 @@ declare module "express" {
             sendFile(path: string, options: any, fn: Errback): void;
             
             sendfile(path: string): void;
+            /**
+             * deprecated, use sendFile instead.
+             */
             sendfile(path: string, options: any): void;
+            /**
+             * deprecated, use sendFile instead.
+             */
             sendfile(path: string, fn: Errback): void;
+            /**
+             * deprecated, use sendFile instead.
+             */
             sendfile(path: string, options: any, fn: Errback): void;
 
             /**