Update copyright section in mkdocs.yml

Signed-off-by: Henrique Graca <[email protected]>

Author: hjgraca

mkdocs.yml

@@ -100,7 +100,7 @@ markdown_extensions:
           format: !!python/name:pymdownx.superfences.fence_code_format
   - md_in_html
 
-+copyright: |
+copyright: |
   <div id="awsdocs-legal-zone-copyright">
       <a href="https://aws.amazon.com/privacy" target="_blank" rel="nofollow">Privacy</a> |
       <a href="https://aws.amazon.com/terms/" target="_blank" rel="nofollow">Site terms</a> |