What is the Taming of the Hunters and how did it end?

The lekgolo were found on sacred Forerunner relics that the Covenant wished to preserve. Though at first they were ordered to be destroyed, this order was revoked in fear of damaging said Forerunner Relics and structures. An arbiter was sent down and found crude versions of Mgalekgolo With this, the Lekgolo were taken into the covenant and here they would come to be known as Hunters when in a specific combined form.

While those are some facts about the Taming, that doesn't really answer the question

Isn't it when the Lekgolo rebelled so they glasses part of the planet or when they were recruiting lekgolo