diff --git a/cmd/jwtpxy.go b/cmd/jwtpxy.go
index c2b9426..5a22e51 100644
--- a/cmd/jwtpxy.go
+++ b/cmd/jwtpxy.go
@@ -102,6 +102,7 @@ func (p *Proxy) handle(w http.ResponseWriter, r *http.Request) {
 
 	if claims, ok := token.Claims.(jwt.MapClaims); ok && token.Valid {
 		// @TODO map claims to headers from config
+		// @TODO config headers to preserve
 		r.Header = http.Header{}
 		r.Header.Add("From", claims["preferred_username"].(string))
 	} else {