Update README.md

Author: portersupport

addons/datadog/README.md

@@ -9,7 +9,7 @@ Datadog [offers two variants](https://hub.docker.com/r/datadog/agent/tags/), swi
 See the [Datadog JMX integration](https://docs.datadoghq.com/integrations/java/) to learn more.
 
 ## How to use Datadog Helm repository
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 You need to add this repository to your Helm repositories:
 
 ```