diff --git a/core/includes/theme.inc b/core/includes/theme.inc
index fa79245..b469d1f 100644
--- a/core/includes/theme.inc
+++ b/core/includes/theme.inc
@@ -1321,7 +1321,7 @@ function theme_links($variables) {
  * Default template: image.html.twig.
  *
  * @param array $variables
- *   Available variables:
+ *   An associative array containing:
  *   - uri: Either the path of the image file (relative to base_path()) or a
  *     full URL.
  *   - width: The width of the image (if known).