diff --git a/README.md b/README.md
index 78ef40b..fc35d97 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,6 @@
 [![codecov](https://codecov.io/gh/gin-contrib/location/branch/master/graph/badge.svg)](https://codecov.io/gh/gin-contrib/location)
 [![Go Report Card](https://goreportcard.com/badge/github.com/gin-contrib/location)](https://goreportcard.com/report/github.com/gin-contrib/location)
 [![GoDoc](https://godoc.org/github.com/gin-contrib/location?status.svg)](https://godoc.org/github.com/gin-contrib/location)
-[![Join the chat at https://gitter.im/gin-gonic/gin](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/gin-gonic/gin)
 
 This Gin middleware can be used to automatically find and expose the server's
 hostname and scheme by inspecting information in the incoming `http.Request`.
diff --git a/location.go b/location.go
index 29d5051..bf9aa6a 100644
--- a/location.go
+++ b/location.go
@@ -8,6 +8,7 @@ import (
 
 const key = "location"
 
+// Headers represents the header fields used to map schemes and host.
 type Headers struct {
 	Scheme string
 	Host   string