This templated message us used to remind users who have signed up to be the backup writer for The Sim's Pen to actually write their articles should the main editor be unavailable or unable to write the current week's edition. It should be left on their talk page at around midnight UTC on the day they're scheduled to write it.
Usage
To use this message, simply add the following to the bottom of the target user's talk page:
{{subst:TSP reminder-backup}}
There is no need to add your signature or add a section title, as this template does it for you. It must be substituted, as shown above.