Make small amends from PR review

scss/tests/mixins/_utilities-map.test.scss

@@ -135,6 +135,10 @@
         rtl: true
       ));
 
+      // Unedited options are still present
+      @include assert-equal(utilities-get-option(flex, property), flex, "property");
+      @include assert-equal(utilities-get-option(flex, values), (fill: 1 1 auto), "values");
+      // And the updated options have their new values
       @include assert-equal(utilities-get-option(flex, responsive), false, "responsive");
       @include assert-equal(utilities-get-option(flex, rtl), true, "rtl");
     }

site/content/docs/5.3/utilities/api.md

@@ -374,8 +374,7 @@ Now that you're familiar with how the utilities API works, you can use it to mod
 
 1. [Creating your own `$utilities` map](#add-or-override-utilities) that gets automatically merged with our default `$utilities` map.
 2. [Modify our defaults using mixins](#modify-defaults) to add or remove utilities, update specific options, or modify utility values.
-
-You can also use functions to [get specific utility values](#get-values-and-options) for your own use in your Sass.
+3. You can also use functions to [get specific utility values](#get-values-and-options) for your own use in your Sass.
 
 ### Add or override utilities