Up until now you had only a very limited time window to edit a comment. Just a few seconds after you posted, if you pressed the X to delete the comment, you had the temporary option to edit the comment for any reason. Perhaps you made a typo or changed your mind about what you said.
If you click Edit, you will be allowed to make changes to the comment, add or delete words and so on. This is much more useful than the temporary editing capabilities you had so far, as it allows you to go back through your timeline and edit any comments you made. It’s also more useful than deleting a comment altogether and then reposting it, which would otherwise prompt a notification for those involved in the thread.
Facebook Still Tracks What You Did
Just don’t think this is not trackable. Facebook also has introduced editing history for comments. This means that, once you make an edit, the time stamp for the comment will change and will show “Edited” next to it.
If there’s one other place where Facebook should be rolling out this feature — but it has not announced yet — is editing your posts, like you can on Google+.
It’s still unclear whether comment editing will be available on Facebook’s mobile comments plug-in either, which is used by many publishers. This would be an ideal place to allow this function, given that submissions from smartphones can be plagued by autocorrect mistakes.
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