Description of problem: gnumeric menu entry is not HIG compliant. According to HIG menu entry's tooltip should be phrased as an imperative verb. Gnumeric's menu entry: "The GNOME Spreadsheet" is not phrased as an imperative verb. Version-Release number of selected component (if applicable): gnumeric-1.6.3-6.fc7 How reproducible: Always Steps to Reproduce: less /usr/share/applications/fedora-gnumeric.desktop
http://developer.gnome.org/projects/gup/hig/2.0/desktop-integration.html#menu-item-tooltips
And I'm pretty sure if you look you can find other places where gnumeric is not GNOME HIG compliant. This part of the .desktop file is not modified by Fedora, so please take this upstream.