Edit in question:
for answer in question:
The reason used for rejection was:
This edit does not make the post even a little bit easier to read, easier to find, more accurate or more accessible. Changes are either completely superfluous or actively harm readability.
which, I believe, was for the lack of an appropriate reason.
While the edit doesn't make the answer easier to read, easier to find, more accurate or (probably) more accessible, it is neither superfluous, nor actively harming readability. The edit, as stated in the edit comment, separates answer from extra info.
So what is the real reason for rejection?