Add description to the returned value.

Co-authored-by: Felix Arntz <felixarntz@users.noreply.github.com>
WordPress · felixarntz · Apr 14, 2022 · Mar 17, 2022 · Mar 18, 2022 · Mar 18, 2022
commit 242a5758bfbd1129cd8892ad746acd14530e2dd4
diff --git a/modules/images/webp-uploads/load.php b/modules/images/webp-uploads/load.php
@@ -740,8 +740,7 @@ function webp_uploads_update_sources( $metadata, $valid_mime_transforms, $file,
  * @param WP_Image_Editor $image     The image editor instance.
  * @param string          $mime_type The mime type of the image.
  * @param int             $post_id   Attachment post ID.
- *
- * @return bool|null
+ * @return bool|null Potentially modified $override value.
  */
 function webp_uploads_update_image_onchange( $override, $file, $image, $mime_type, $post_id ) {
 	if ( null !== $override ) {