It is possible for users to edit an existing post.

* How do edits work?
* Who may edit a question or answer?
* How can you tell what has been changed between edits?

>For more information, see "[Why can people edit my posts? How does editing work?](http://meta.stackoverflow.com/help/editing)" in the [Help Center](http://meta.stackoverflow.com/help).

[Return to FAQ index](http://meta.stackoverflow.com/questions/7931/how-does-stackoverflow-work-the-official-faq)

**Related:** [How do I format my code blocks?](http://meta.stackoverflow.com/questions/22186/how-do-i-format-my-code-blocks)