I am trying to add horizontal lines to the following table and cannot figure out how to do it. Specifically, I want a line between rows 2 and 3 (Revision 2 and Revision 1)
| Revision | Author | Date | Description |
|:----------------:|:---------------------------------:|:--------------------------:|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 2 | John Doe | 4/23/2019 | Updates to lots of official sounding stuff.
|
| 1 | John Doe | 4/25/2017 | Initial Release