From 7ba5ab6853048337fe25bdcbb27edbacb0d2e876 Mon Sep 17 00:00:00 2001
From: iislucas <ldixon@google.com>
Date: Fri, 10 Mar 2017 00:41:02 -0500
Subject: [PATCH] Fix error about required parameter (#14989)

See the docs: https://helmetjs.github.io/docs/ (maxAge is not a required parameter)
---
 helmet/index.d.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/helmet/index.d.ts b/helmet/index.d.ts
index 9e5f30f554..1dc8882608 100644
--- a/helmet/index.d.ts
+++ b/helmet/index.d.ts
@@ -81,7 +81,7 @@ declare namespace helmet {
     }
 
     export interface IHelmetHstsConfiguration {
-        maxAge: number;
+        maxAge?: number;
         includeSubdomains?: boolean;
         preload?: boolean;
         setIf?: IHelmetSetIfFunction,