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I think "Arduino as an ESP-IDF component" or just "As ESP-IDF component" instead of  "ESP-IDF as Component" is more correct way to name the link.

1. "ESP-IDF as Component" would imply that ESP-IDF is some sort of library for Arduino, which is (IMO) misleading, because it's true the other way around.
2. It's written as "Arduino as an ESP-IDF component" on the webpage it points to as well.

- Also I removed the capitalization from "Component" as I have not found a reason why is it capitalized.