[gimp-web] content: some update in macOS section of the news.

[Jehan <jehanp src gnome org>]

commit 209acf6812116438efae4894eecd3435faa5b859
Author: Jehan <jehan girinstud io>
Date:   Sat Aug 27 17:30:59 2022 +0200

    content: some update in macOS section of the news.
    
    I forgot to mention the new nightly builds for macOS. I remembered it
    when merging the gimp-web testing branch into master by seeing the
    dedicated commit!

 content/news/2022/2022-08_GIMP-2.99.12_Released/index.md | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)
---
diff --git a/content/news/2022/2022-08_GIMP-2.99.12_Released/index.md 
b/content/news/2022/2022-08_GIMP-2.99.12_Released/index.md
index 1221d05e..532db55b 100644
--- a/content/news/2022/2022-08_GIMP-2.99.12_Released/index.md
+++ b/content/news/2022/2022-08_GIMP-2.99.12_Released/index.md
@@ -967,11 +967,21 @@ In any case, this is great news for all other multi-platform GTK
 software, though no GTK+3 release contains these fixes yet. It will be
 available in GTK+ 3.24.35.
 
-Meanwhile we also include a patch on Cairo (again by John Ralls) for
-improved performance on macOS, though not as important as the GTK fix.
+We include a patch on Cairo (again by John Ralls) as well for improved
+performance on macOS, though the gained performance was not as obvious
+as the GTK fix.
+
+Also additionally to the development releases, we now provide nightly
+builds for macOS. Check the section "*Automatic development builds*" of
+the [Development download page](https://www.gimp.org/downloads/devel/)
+for a procedure.
+⚠️ As usual, we remind that nightly builds means that it's even more
+experimental than development builds: these packages happen at random
+point in the development process and the builds are not even
+human-tested. ☢
 
 In any case, a lot has happened since the days, not so long ago, when we
-were [despairing of the sad state of GIMP on
+were [despairing at the sad state of GIMP on
 macOS](https://www.gimp.org/news/2020/12/25/gimp-2-10-22-released-macos/#whats-going-on-with-big-sur),
 with slowness (to the point of being unusable) and interface issues. Now
 we are finally getting to a point where we can hope GIMP 3.0 will be