Suggestions that are entered into the application can be reviewed and modified from the manage suggestions page.  All suggestions that are made under a singe account will be aggregated on this screen with all of the information that they were initially entered with.

You have the option to open the suggestion to make modifications or remove a suggestion for something that is no longer an issue.  Making a modification can be done by clicking on the pencil and paper button.  Removing the suggestion from the system can be done by clicking on the X button.