fixed Markdown code formatting using backticks inside HTML code block…

… in _errors.md (#905)

source/includes/_errors.md

@@ -1,6 +1,8 @@
 # Errors
 
-<aside class="notice">This error section is stored in a separate file in `includes/_errors.md`. Slate allows you to optionally separate out your docs into many files...just save them to the `includes` folder and add them to the top of your `index.md`'s frontmatter. Files are included in the order listed.</aside>
+<aside class="notice">
+This error section is stored in a separate file in <code>includes/_errors.md</code>. Slate allows you to optionally separate out your docs into many files...just save them to the <code>includes</code> folder and add them to the top of your <code>index.md</code>'s frontmatter. Files are included in the order listed.
+</aside>
 
 The Kittn API uses the following error codes: