Please don't paste images but code formatted using </> icon as explained in this guide. It will make your post more readable.
Or use markdown style like:
```
CODE
```
Did you restart the node?
If you installed it as a service, please read: https://www.elastic.co/guide/en/elasticsearch/reference/current/deb.html#deb-configuring or https://www.elastic.co/guide/en/elasticsearch/reference/current/rpm.html#rpm-configuring