Update breadcrumbs.mdx

Bug fix

Author: Ingrid Hagelund

docs/components/breadcrumbs.mdx

@@ -41,4 +41,4 @@ an app.
 <Guideline title="Icons in breadcrumbs" image="breadcrumb-usage-guidelines-2-dont.svg" bad>
   Don't use icons within breadcrumbs. Since breadcrumbs are horizontally
   distributed, icons disrupt the rhythm and readability of the list.
-</Guideline>
+</Guideline>