The earlier ending of the octave sign in FE (→GE) is a patent error, corrected by Chopin in FED and FES. Both autographs, as well as EE, have the correct text.
Compare the passage in the sources »
category imprint: Differences between sources
issues: Annotations in teaching copies, EE revisions, Errors in FE, Annotations in FED, Annotations in FES
notation: Pitch