This plugin allows you to insert a user specific text (such as copyright, credit, advertisement, etc.) at the beginning/ending of your posts.
wp-posturldirectory to the
Your original configuration will be totally kept during upgrading. But please backup before upgrading to avoid configuration lost.
You can completely uninstall WP-PostURL plugin. It will remove all the option settings created by this plugin, and deactive this plugin at the same time.