fix: header block dark theme html

Author: gorgeousvlad

src/blocks/Header/Header.scss

@@ -25,7 +25,7 @@ $backgroundWidth: 1440px;
         &_theme_dark {
             #{$block}__title,
             #{$block}__description .yfm,
-            #{$block}__description .yfm > * {
+            #{$block}__description .yfm * {
                 color: var(--yc-color-text-light-primary);
             }
         }

src/blocks/Header/__stories__/data.json

@@ -9,7 +9,7 @@
       "verticalOffset": "m",
       "type": "header-block",
       "title": "Yandex Cloud Professionals partner program",
-      "description": "<p>Sell Yandex Cloud services and get a monthly partner bonus ranging from 12% to 20% of your customers' spending on the services. Get grants to try out Yandex Cloud services or implement your customers' pilot projects.</p> ",
+      "description": "<p>Marketplace is awailable now in Managed Service for Kubernetes<sup>®</sup> management console.</p>",
       "width": "s",
       "buttons": [
         {