add missing closing bracket (vercel#26375)

imaksp · web-flow · commit bee8ee0634e7 · 2021-06-20T17:30:09.000Z
## Bug

- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added

## Feature

- [ ] Implements an existing feature request or RFC. Make sure the feature request has been accepted for implementation before opening a PR.
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Documentation added
- [ ] Telemetry added. In case of a feature if it's used or not.

## Documentation / Examples

- [ ] Make sure the linting passes
diff --git a/docs/advanced-features/security-headers.md b/docs/advanced-features/security-headers.md
@@ -20,6 +20,7 @@ async headers() {
       source: '/(.*)',
       headers: securityHeaders
     }
+  ]
 }
 ```
 

Original file line number	Diff line number	Diff line change
`@@ -20,6 +20,7 @@ async headers() {`
`20`	`20`	`source: '/(.*)',`
`21`	`21`	`headers: securityHeaders`
`22`	`22`	`}`
	`23`	`+ ]`
`23`	`24`	`}`
`24`	`25`	```
`25`	`26`