Your company admin should enable the option first for team members to edit their Check-ins. To have that option enabled, please have your admins follow the instructions HERE.
STEP 1: On your RemoteTeam dashboard, click on Check-Ins.
STEP 2: Click the Edit button for the worked time that you need to edit.
STEP 3: You can now make the changes to your worked time. When you're done, click the Save button to save the changes.