Update manual icon

scripts/usr/local/bin/script-deploy-manual

@@ -28,7 +28,7 @@ for desktop in /home/*/Desktop; do
 		Name=Hartman Lab Server Manual
 		Type=Link
 		URL=$manual_url
-		Icon=text-html
+		Icon=help-browser
 	EOF
   chmod 644 "$desktop/manual.desktop"
 done