[Serverless] Reference to Endpoint in Elastic Defend requirements docs

[nastasha-solomon]

Serverless Docs

Elastic Security

Description

Content reviewed: Install the Elastic Defend integration | Before you can begin

Issue: Super small nit - I’m not sure whether the reference to Endpoint in the second sentence is deliberate. If not, I recommend changing it from requirements for Elastic Endpoint to requirements for Elastic Defend.

Resources and additional context

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