Index: openacs-4/packages/calendar-portlet/www/calendar-list-portlet.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/calendar-portlet/www/calendar-list-portlet.tcl,v
diff -u -N -r1.15.2.2 -r1.15.2.3
--- openacs-4/packages/calendar-portlet/www/calendar-list-portlet.tcl	27 Jan 2017 09:32:57 -0000	1.15.2.2
+++ openacs-4/packages/calendar-portlet/www/calendar-list-portlet.tcl	4 Feb 2017 13:19:55 -0000	1.15.2.3
@@ -33,7 +33,7 @@
     valid_date -requires { date } {
         if {$date ne "" } {
             if {[catch {set date [clock format [clock scan $date] -format "%Y-%m-%d"]} err]} {
-                ad_complain "Your input was not valid. It has to be in the form YYYYMMDD."
+                ad_complain "Your input was not valid. It has to be in the form YYYY-MM-DD."
             }
         }
     }