peoplecode help

The end user had made request to update RC_DESCRLONG filed when the case type change. I used fieldchange event and made it work. When the case type changes RC_DESCRLONG field gets updated as follows

while raining,The incident occurred date: The incident occurred time:

can someone please share examples how can i make the format on crm screen look like following instead stright line ?

while raining,
The incident occurred date:
The incident occurred time:

Please advice.
Thank you in advance.