You finally arrive at your hotel after a long journey, drop your bags and head into the bathroom. The towels are neatly stacked, everything looks spotless and the toilet paper has been folded into a small triangle.Most guests probably don't give it much thought. But once you notice it, you may start wondering why hotels take the time to do it.That little fold is not just there to make the bathroom look tidy. It is also a simple way of telling guests that housekeeping has cleaned and prepared the room, as per a report.The small detail that says your bathroom is readyAccording to Imponderables news columnist David Feldman, the folded end of the toilet paper works as a quiet signal from hotel staff, as per a Mental Floss report.The message is that, housekeeping has been there, cleaned the bathroom and prepared it for the next guest. The folded paper also suggests that the roll has not been used since the bathroom was last cleaned.MORE STORIES FOR YOU✕« Back to recommendation storiesI don't want to see these stories becauseThey are not relevant to meThey disrupt the reading flowOthersSUBMITIt is a small detail, but it can be reassuring. After all, hotel rooms and bathrooms have been used by other people before you arrive. A simple visual sign that the space has been prepared can help guests feel more comfortable.Why the triangle makes a differenceThe fold is subtle enough that you might not notice it at first. But once you know what it means, it becomes difficult to see it as just decoration.It works almost like a small stamp of preparation. No sign or explanation is needed. The neatly folded paper quietly tells you that someone from housekeeping has finished getting the bathroom ready.Some hotel staff take the idea even furtherThe basic triangle is only the beginning.NPR has reported that some housekeepers turn toilet paper into more elaborate designs, including fans, flowers and other decorative shapes, as per the Mental Floss report.These touches are similar to towel animals, carefully arranged pillows and other small details found in hotels. They do not change what the room is used for, but they can make the experience feel a little more personal.For some housekeepers, the folding can also become a creative way to add personality to an otherwise routine task.