As was the case with bars 58-60 and 62, Chopin almost certainly forgot here about the 
raising d to d
in the last quaver, hence it is a d. In this case, however, he did not correct this mistake in FE2 (→EE), hence a was added only by the reviser of GE. In the main text we give the version with d, confirmed by AI.
Compare the passage in the sources »
category imprint: Differences between sources
issues: Errors in FE, GE revisions, Omitted correction of an analogous place
notation: Pitch