Various tweaks to Garden of Coloured Lights' desktop file.
--- a/resources/garden.desktop
+++ b/resources/garden.desktop
@@ -1,8 +1,8 @@
 [Desktop Entry]
-Name=garden
-Comment=Garden of coloured lights shoot-em-up
-Exec=garden
-Icon=garden
+Name=Garden of Coloured Lights
+Comment=Abstract vertical shooter with music elements
+Exec=/usr/games/garden
+Icon=/usr/share/pixmaps/garden.svg
 Terminal=false
 X-MultipleArgs=false
 Type=Application