Syntax in styleguide.mdx is breaking docs build (elastic#99840)

* Update STYLEGUIDE.mdx

* add space in title

STYLEGUIDE.mdx

@@ -1,7 +1,7 @@
 ---
 id: kibStyleGuide
 slug: /kibana-dev-docs/styleguide
-title: StyleGuide
+title: Style Guide
 summary: JavaScript/TypeScript styleguide.
 date: 2021-05-06
 tags: ['kibana', 'onboarding', 'dev', 'styleguide', 'typescript', 'javascript']
@@ -680,7 +680,7 @@ Using `react-component` means adding a bunch of components into angular, while `
 
 ### Action function names and prop function names
 
-Name action functions in the form of a strong verb and passed properties in the form of on<Subject><Change>. E.g:
+Name action functions in the form of a strong verb and passed properties in the form of `on<Subject><Change>`. E.g:
 
 ```jsx
 <sort-button onClick={action.sort}/>