diff --git a/README.md b/README.md
index 2d232f33..7d9afaa4 100644
--- a/README.md
+++ b/README.md
@@ -562,8 +562,6 @@ services:
           avatar
         }
       }
-    headers:
-      Content-Type: application/json # XXX: as of v1.9.2, this header is automatically added when graphql is set to true
     conditions:
       - "[STATUS] == 200"
       - "[BODY].data.users[0].gender == female"
diff --git a/core/service_test.go b/core/service_test.go
index fa908165..6e9a0fc9 100644
--- a/core/service_test.go
+++ b/core/service_test.go
@@ -188,7 +188,7 @@ func TestService_buildHTTPRequestWithGraphQLEnabled(t *testing.T) {
 		Conditions: []*Condition{&condition},
 		GraphQL:    true,
 		Body: `{
-  user(gender: "female") {
+  users(gender: "female") {
     id
     name
     gender