--- a/layout/style/test/stylo-failures.md
+++ b/layout/style/test/stylo-failures.md
@@ -113,17 +113,17 @@ to mochitest command.
   * test_grid_shorthand_serialization.html [28]
   * test_compute_data_with_start_struct.html `grid-` [*]
   * test_inherit_computation.html `grid` [*]
   * test_inherit_storage.html `'grid` [*]
   * ... `"grid` [*]
   * test_initial_computation.html `grid` [*]
   * test_initial_storage.html `grid` [*]
   * test_property_syntax_errors.html `grid`: actually there are issues with this [*]
-  * test_value_storage.html `'grid` [*]
+  * test_value_storage.html `'grid` [637]
 * Unimplemented prefixed properties:
   * -moz-transform: need different parsing rules servo/servo#16003
     * test_value_storage.html `-moz-transform`: need different parsing rules bug 1357906 [70]
   * test_variables.html `var(--var6)`: -x-system-font [1]
 * Unimplemented CSS properties:
   * place-{content,items,self} shorthands servo/servo#16391
     * test_align_shorthand_serialization.html [8]
   * font-variant-{alternates,east-asian,ligatures,numeric} properties servo/servo#15957