MindStick Q&A not only allow you to edit your Answers but your comments as well nearly within Three days / 72 hours. 

There's a time limit of 72 hours in which we can edit our answers and comment submitted on MindStick Q&A. Once you had casted your answers or comment you can edit them uncountably but in that given period of time.

MindStick Q&A is the Sub-portal of MindStick which is simply the Question and Answers section where anonymous people can ask their questions regarding anything they desire, and are answered by Our professionals as well as Anonymous people around the worlds. 

Read More: How to locate myself to MindStick QA Section at MindStick?