Update docs/releasenotes/9.4.0.rst

Co-authored-by: Andrew Murray <3112309+radarhere@users.noreply.github.com>
python-pillow · Nov 21, 2022 · 8f73a89 · 8f73a89
1 parent 9c5b00e
commit 8f73a89
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/docs/releasenotes/9.4.0.rst b/docs/releasenotes/9.4.0.rst
@@ -41,8 +41,9 @@ Added the ``exact`` encoding option for WebP
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 The ``exact`` encoding option for WebP is now supported. The WebP encoder
-removes the hidden RGB values for better compression by default. By setting
-this option to ``True``, the encoder will keep the hidden RGB values.
+removes the hidden RGB values for better compression by default in libwebp 0.5
+or later. By setting this option to ``True``, the encoder will keep the hidden
+RGB values.
 
 Security
 ========