--- nightfall-1.86/nightfall.desktop.orig	2015-07-11 13:55:12.120286834 +0100
+++ nightfall-1.86/nightfall.desktop	2015-07-11 23:13:59.095466362 +0100
@@ -2,8 +2,9 @@
 Name=Nightfall
 Name[de]=Nightfall
 Comment=Eclipsing Binary Star Program
-Comment[de]=Programm für Bedeckungsveränderliche Sterne
+Comment[de]=Programm für Bedeckungsveränderliche Sterne
 Exec=nightfall -U 0.8 85 0.6 1.0 5500 5300
-Icon=gnome-nightfall.png
+Icon=/usr/share/nightfall/pixmaps/gnome-nightfall.png
 Terminal=0
 Type=Application
+Categories=Education;Science;Astronomy;