If you are experiencing this issue, please ensure that there are not hidden spaces within the contents of the Comments/Details.
You can detect these by moving the arrow keys along each line. If lines are being copied from Excel, it is known to include spaces/tabs in place of the cells which can cause this issue.
You can also copy the contents of the Comments/Details and paste them into a Notepad. You can then copy from the Notepad and paste back into the Comments/Details section to remove any formatting issues.