diff --git a/fp-ics b/fp-ics
index f1b4178..f66b0bb 100755
--- a/fp-ics
+++ b/fp-ics
@@ -18,10 +18,10 @@ def getcal():
     cal = ical.Calendar()
 
     cal.add('X-WR-CALNAME', 'FP Seminare')
-    cal.add('X-WR-CALDESC', 'Auto generated calendar for current FP seminars on {}.'.format(URL))
+    cal.add('X-WR-CALDESC', 'Auto generated calendar for current FP seminars.\nSource code: https://git.haagfank.de/LnLcFlx/fp-ics')
     cal.add('X-WR-TIMEZONE', TZ)
     cal.add('X-PUBLISHED-TTL', 'P1D')
-    cal.add('URL', 'https://git.haagfank.de/LnLcFlx/fp-ics')
+    cal.add('URL', URL)
     cal.add('CALSCALE', 'GREGORIAN')
     cal.add('METHOD', 'PUBLISH')