docs(tuto): fix typo

Author: nerda-codes

tutorials/deploy-automate-mkdocs-site/index.mdx

@@ -166,7 +166,7 @@ In this section we will be adding the following values (secrets) in our GitHub r
       "Resource": "name-of-your-bucket/*"
     },
     ```
-2. Access your GitHub repository
+2. Access your GitHub repository.
 3. Click the **Actions** tab. The name of your workflow (`Build and push website documentation to S3`) should display under **All workflows**.
 4. Click the name of your workflow, then click the **Run workflow** drop-down. You are prompted to select a branch from which to run the workflow.