[master] 24b901cc8 CONTRIBUTING: Sync with reality

[Dridi Boukelmoune]

commit 24b901cc80c84dce7e795134a6776b7006f7d77c
Author: Dridi Boukelmoune <dridi.boukelmoune at gmail.com>
Date:   Mon Sep 13 11:10:58 2021 +0200

    CONTRIBUTING: Sync with reality
    
    Spotted by @Algunenano.

diff --git a/CONTRIBUTING b/CONTRIBUTING
index 429d58a4e..804b83385 100644
--- a/CONTRIBUTING
+++ b/CONTRIBUTING
@@ -15,7 +15,7 @@ Our main project communication is through or developer IRC channel::
 
 (That channel is not for user questions, use the #varnish channel for that.)
 
-Mondays at 13:00 EU time we hold our weekly "bugwash" where we go
+Mondays at 15:00 EU time we hold our weekly "bugwash" where we go
 through new (and old) tickets.  It speeds things up a lot if you
 can join the channel and answer questions directly when we go over
 the ticket.