Before this commit the texts were different, and odd.
For example, the text in the selector would be:
Every 4 hours
and the text in the preview would be:
Every 240 minutes
<stringname="settings_sync_summary_periodically"tools:ignore="PluralsCandidate">Toutes les %d minutes et immédiatement après un changement local</string>
<stringname="settings_sync_summary_periodically"tools:ignore="PluralsCandidate">%s et immédiatement après un changement local</string>