You can edit aspects any of your journals in Day One, including the default Journal.
macOS
- Click Day One in the file menu
- Choose Preferences
- Click the Journals tab
- Click a journal to highlight
- Click the "i" to the right of the journal
- Right-click (or Control+click) on any journal in the journal drawer. Then choose Edit Journal
- Click the More button (•••) on the entry view pane and choose Edit Journal.
iOS
- Go to Settings
- Tap Journals
- Tap the journal you wish to edit
Tap the name of the Journal to go straight to the journal settings.
Android
- Tap Settings (In the sidebar or three-dots button in the upper-right).
- Tap Journals.
- Tap the journal you wish to rename.
- Tap the journal name at the top of
- Tap the checkmark to save the new name