Docs: Further clarify the wp_ajax_save_attachment filter parameters description.

Follow-up to [55106].

See #23148.

git-svn-id: https://develop.svn.wordpress.org/trunk@55111 602fd350-edb4-49c9-b593-d223f7449a82

Author: SergeyBiryukov

src/wp-admin/includes/ajax-actions.php

@@ -3146,13 +3146,13 @@ function wp_ajax_save_attachment() {
 		wp_update_post( $post );
 
 		/**
-		 * Fires after an attachment has been updated and before
-		 * the JSON response is sent.
+		 * Fires after an attachment has been updated via the Ajax handler
+		 * and before the JSON response is sent.
 		 *
 		 * @since 6.2.0
 		 *
-		 * @param array $post    The attachment.
-		 * @param array $changes An array of changes.
+		 * @param array $post    The attachment data.
+		 * @param array $changes An array containing the updated attachment attributes.
 		 */
 		do_action( 'wp_ajax_save_attachment', $post, $changes );
 	}