help/garage: Winter break

Author: rkdarst

help/garage.rst

@@ -9,8 +9,9 @@ Scicomp garage
 .. admonition:: Planned disruptions
    :class: important
 
-   * 8 September: Probably less (or no) availability due to an internal
-     meeting.
+   * Winter holiday: We don't promise availability 21.dec --
+     7.jan, and almost certainly not in the holiday week.  Better to
+     make an issue or send a chat message.
 
 ..
    * There are no current planned disruptions in the daily garage.