Suggested wording (roughly):
These options will prevent items from showing up around your desktop, such as in the Unity Dash, the Activity Journal, [etc.]. Individual applications like Firefox and LibreOffice may remember your activity independently of these settings.
Suggested wording (roughly):
These options will prevent items from showing up around your desktop, such as in the Unity Dash, the Activity Journal, [etc.]. Individual applications like Firefox and LibreOffice may remember your activity independently of these settings.