Simplify the following text for a Grade 11 native English-speaking person.
Original: Originally , Flagler intended for his Florida East Coast Railway to have its terminus in West Palm but after the area experienced a deep freeze , he chose to extend the railroad to Miami instead .
Simplified: Originally , Flagler intended for his Florida East Coast Railway to end in West Palm but after the area experienced a deep freeze , he chose to extend the railroad to Miami instead .