- <strong>Popup Menu</strong><br> <em>This menu is visible
- when right clicking either within a selected region on the
- alignment or on a selected sequence name. It may not be accessible
- when in 'Cursor Mode' (toggled with the F2 key).</em>
+ <strong>Popup Menu</strong><br> <em>This menu is visible when
+ right clicking either within a selected region on the alignment or
+ on a selected sequence name. It may not be accessible when in
+ 'Cursor Mode' (toggled with the F2 key).</em><br /> <em><strong>Mac Users:</strong> pressing CTRL whilst clicking
+ the mouse/track pad is the same as a right-click. See your
+ system's settings to configure your track-pad's corners to
+ generate right-clicks.</em>