Page 238 - Photoshop for Lightroom Users – Scott Kelby 2nd Edition

Step Five:
When you choose Paste in Place, it pastes his head in the exact same spot in this image document that it was in the original (adding two words would’ve
helped to make it easier to understand—they could have named it “Paste in the Same Place”). Anyway, because I shot on a tripod, it pasted his face in the
exact same spot, and boom—you’re done. If he had moved his head a little, and it looked a little off when it pasted in place, we could’ve just switched to
the Move tool (V) and clicked-and-dragged it into the right spot.