The Teleportation Trap

"Sure, dad!" Peter said and scribbled something into the book. In anticipation, Jeff watched and waited for any effect to take place. Only nothing happened.

"Uh, Peter... What did you do!?" Jeff asked. "Here, dad! Have a look!" Peter replied and showed him what he had written into the book.

Now, Jeff started to speak out what was written on the page.
"I wish that once this was spoken out aloud that my dad would teleport... What the fuck, teleport...".