Fix typo Language-specific guides / Nodejs / Run containers

language/nodejs/run-containers.md

@@ -81,9 +81,7 @@ Again, let’s make sure that our container is running properly. Run the same cu
 $ curl --request POST \
   --url http://localhost:8000/test \
   --header 'content-type: application/json' \
-  --data '{
-	"msg": "testing"
-}'
+  --data '{"msg": "testing"}'
 {"code":"success","payload":[{"msg":"testing","id":"dc0e2c2b-793d-433c-8645-b3a553ea26de","createDate":"2020-09-01T17:36:09.897Z"}]}
 ```