There were many, many stylistic changes made to the Constitution; not all changes were substantive.
Really? Even Alexander Hamilton, acknowledged the change of eligibility requirement for POTUS in Federalist #68, where he also acknowledges the national security reason for the requirement of natural born Citizen instead of his original draft of "born a Citizen":
"Nothing was more to be desired than that every practicable obstacle should be opposed to cabal, intrigue, and corruption. These most deadly adversaries of republican government might naturally have been expected to make their approaches from more than one quarter, but chiefly from the desire in foreign powers to gain an improper ascendant in our councils. How could they better gratify this, than by raising a creature of their own to the chief magistracy of the Union?"