File desktop.diff of Package plasma5-sdk

diff --git a/themeexplorer/package/metadata.desktop b/themeexplorer/package/metadata.desktop
index fcd7403..120da7a 100644
--- a/themeexplorer/package/metadata.desktop
+++ b/themeexplorer/package/metadata.desktop
@@ -46,7 +46,7 @@ Name[x-test]=xxPlasma Theme Explorerxx
 Name[zh_CN]=Plasma 主题浏览器
 Type=Application
 Icon=preferences-desktop-theme
-Categories=Qt;KDE;Development
+Categories=Qt;KDE;Development;GUIDesigner;
 Exec=plasmathemeexplorer
 X-KDE-ParentApp=
 X-KDE-PluginInfo-Author=Marco Martin