[gimp-web] content: update mirror news.

[Jehan <jehanp src gnome org>]

commit 22a32dd6bc96a8fa2eebf62368ae2e7b60243220
Author: Jehan <jehan girinstud io>
Date:   Wed Sep 29 15:56:16 2021 +0200

    content: update mirror news.

 .../2021/2021-09-official_mirror_policy/index.md     | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)
---
diff --git a/content/news/2021/2021-09-official_mirror_policy/index.md 
b/content/news/2021/2021-09-official_mirror_policy/index.md
index cb1bbcdd..fe2be828 100644
--- a/content/news/2021/2021-09-official_mirror_policy/index.md
+++ b/content/news/2021/2021-09-official_mirror_policy/index.md
@@ -72,18 +72,19 @@ This is the same
 [procedure](https://wiki.gnome.org/Infrastructure/Mirrors) as GNOME
 mirrors, except you must explicitly ask to be a GIMP mirror:
 
-- Create a mirror request [on this
-  link](https://gitlab.gnome.org/Infrastructure/Infrastructure/issues/new?issuable_template=new-mirror)
+- Create a mirror request [on the Infrastructure
+  tracker](https://gitlab.gnome.org/Infrastructure/Infrastructure/issues/new?issuable_template=new-mirror)
 - Write in title and introduction that you want to be a mirror for GIMP
   in particular
 - Add `/cc @Jehan` in the request description or in a comment
-- Fill the relevant fields
+- Fill the relevant fields from the `new-mirror` template
 - If you want a specific name and URL to be shown in the mirror [sponsor
   list](/donating/sponsors.html), please write it explicitly in the
   report (otherwise we will choose whatever organization name and URL
   seems the most relevant from what you wrote down)
-- Once GNOME is done verifying your organization, they will send you
-  rsync credentials for syncing your mirror
+- Once we are done verifying your organization, someone will ask you for
+  your public GPG key by email to send you rsync credentials for syncing
+  your mirror
 - There is nothing to do in particular to appear on the
   [Sponsors](https://www.gimp.org/donating/sponsors.html) page which
   will be updated regularly through scripts. Yet it may take a few days
@@ -119,6 +120,10 @@ Listing only GNOME-verified mirrors has the following advantages:
   thus **contributing** with the bigger chunk of downloads. It is only
   normal for them to be featured prominently.
 
+More discussions are going on to improve the procedure and mirror
+technology even further by using the *Mirrorbits* software. More on this
+later (and after more extensive testing).
+
 **Additionally to mirrors, we would like to thank the GNOME
 infrastructure team for their invaluable help!**
 
@@ -126,7 +131,8 @@ infrastructure team for their invaluable help!**
 
 The work on mirrors was a long run backgroung job which was improved by
 various people, notably [Michael
-Schumacher](https://testing.gimp.org/news/2017/05/15/an-interview-with-michael-schumacher-gimp-administrator/).
+Schumacher](https://testing.gimp.org/news/2017/05/15/an-interview-with-michael-schumacher-gimp-administrator/)
+and [Pat David](https://patdavid.net/).
 
 These recent improvements to the mirror procedure, making it safer for
 people downloading GIMP and easier for contributors as well as for
@@ -134,7 +140,7 @@ mirror administrators, were done by GIMP maintainer, Jehan of
 [*ZeMarmot*](https://film.zemarmot.net/) project. The goal is to
 simplify and automatize as much as possible the process to make our list
 of mirrors always up-to-date, but also to verify the mirrors are safe by
-adding data integrity verification scripts.
+running regularly data integrity verification scripts.
 We remind that you are [encouraged to crowdfund *ZeMarmot* for
 their continuous GIMP
 improvement](https://www.gimp.org/news/2021/07/27/support-gimp-developers-sustainable-development/).