[gimp-web] Fix some wording.

[Jehan <jehanp src gnome org>]

commit cebff7d32878ed3d9cabafe5032435072db5e116
Author: Jehan <jehan girinstud io>
Date:   Sat May 8 01:55:30 2021 +0200

    Fix some wording.
    
    Thanks to ankh for the help!

 content/news/2021/2021-04_GIMP-2.99.6_Released/index.md | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)
---
diff --git a/content/news/2021/2021-04_GIMP-2.99.6_Released/index.md 
b/content/news/2021/2021-04_GIMP-2.99.6_Released/index.md
index 5affb185..83ad8aee 100644
--- a/content/news/2021/2021-04_GIMP-2.99.6_Released/index.md
+++ b/content/news/2021/2021-04_GIMP-2.99.6_Released/index.md
@@ -192,11 +192,11 @@ it](http://www.libpng.org/pub/png/spec/1.2/PNG-Encoders.html#E.Encoder-color-han
 </figcaption>
 </figure>
 
-*Note*: a crash in `babl` has been raised with this change, about
-handling indexed images with a color profile. This is not such a common
-case, but since we are now creating color profiles when a PNG had these
-chunks, which happened on some indexed PNG files, this bug has been made
-a bit more visible. Fortunately a patch has already been
+*Note*: a crash cause has been discovered in `babl` when opening indexed
+images with embedded color profiles. Since we are now creating color
+profiles when a PNG had these chunks, this change can provoke this
+crash.
+Fortunately a patch has already been
 [written](https://gitlab.gnome.org/GNOME/babl/-/merge_requests/41), and
 we expect it to be present in the next version of `babl`.