Update Integration.svelte

Author: thejessewinton

src/markdoc/layouts/Integration.svelte

@@ -21,7 +21,7 @@
     //const title = 'Integrations' + TITLE_SUFFIX;
     //const ogImage = DEFAULT_HOST + '/images/open-graph/website.png';
     const ogImage = DEFAULT_HOST + cover;
-    const categoryHeading = partnerCategoryDescriptions.find(
+    const categoryHeading = integrationCategoryDescriptions.find(
         (key) => key.slug === category.toLowerCase()
     )?.heading;
 </script>