Unwanted ¶

Make sure your highlight stops at the end of the last letter of your entry. In a normal editor that should make sure you don't get the unwanted ¶

To be sure you don't have it in there, you can put your cursor at the end of the entry and hit the Delete button.

When you copy from some Internet pages, this may be the only solution.
At least, I haven't found a way to uncheck the "smart cut and paste" that isn't so smart.