diff --git a/system-announce b/system-announce
index 56a560c..2625505 100644
--- a/system-announce
+++ b/system-announce
@@ -1,11 +1,11 @@
 # System announcements:                                   #
 #                                                         #
-# Nov-2019: New Slurm version (bugfixes)                  #
-#                                                         #
-# Feb-2020: Add an experimental command to check current  #
-#           Account Usage: Sausage -h                     #
-#                                                         #
 # Mai-2020: The clusters have been reinstalled. There is  #
 #           an updated Operating System. For details see: #
 #           https://go.epfl.ch/2020.05-SI-SCITAS-Status   #
 #                                                         #
+# Jul-2020: Summer Maintenance 20-22 July:                #
+#           ALL CLUSTERS UNAVAILABLE and                  #
+#           new allocation policy on parallel partition   #
+#           Details: https://go.epfl.ch/scitas-maint2020  #
+#                                                         #