diff --git a/docs/directives.md b/docs/directives.md
index 30ecc2fa14..6a623e4670 100644
--- a/docs/directives.md
+++ b/docs/directives.md
@@ -1139,6 +1139,7 @@ schema
     id: "news"
     src: "./src/grpc/news.proto"
     type: Protobuf
+    headers: [{key: "authorization", value: "Bearer 123"}]
   ) {
   query: Query
 }