how is "transition to a government responsive to the Libyan people" not regime change?

...Because while our military mission is narrowly focused on saving lives, we continue to pursue the broader goal of a Libya that belongs not to a dictator, but to its people.
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The transition to a legitimate government that is responsive to the Libyan people will be a difficult task.
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Of course, there is no question that Libya – and the world – will be better off with Gaddafi out of power. I, along with many other world leaders, have embraced that goal, and will actively pursue it through non-military means. But broadening our military mission to include regime change would be a mistake.
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To be blunt, we went down that road in Iraq...took eight years, thousands of American and Iraqi lives, and nearly a trillion dollars. That is not something we can afford to repeat in Libya.