docs(typography) Fix broken code blocks

Fixes some code blocks for typography that ran together.

src/pages/elements/typography/code.mdx

@@ -82,11 +82,11 @@ You can find a full reference of the type styles that are available on the
 
 You can include a token in your Sass file by writing:
 
-````scss
+```scss
 @use '@carbon/type';
 
 @include type.type-style('productive-heading-01');
-```                                                                                                                                                              |
+```
 
 ### Reset