Merge pull request #1 from slmingol/patch-1

Fixed typo, described import every 10 mins

README.md

@@ -1,6 +1,6 @@
 # Manage AWS EC2 SSH access with IAM
 
-This showcase demonstrates how you can use your IAM user's public SSK key to get access via SSH to an EC2 instance.
+This showcase demonstrates how you can use your IAM user's public SSH key to get access via SSH to an EC2 instance.
 
 ## How does it work
 
@@ -9,7 +9,7 @@ A picture is worth a thousand words:
 ![Architecture](./docs/architecture.png?raw=true "Architecture")
 
 * On first start all IAM users are imported and local users are created
- * The import also runs every 10 minutes
+ * The import also runs every 10 minutes (via cron - calls import_users.sh)
 * On every SSH login the EC2 instance tries to fetch the public key(s) from IAM using sshd's `AuthorizedKeysCommand`
  * You can restrict that the EC2 instance is only allowed to download public keys from certain IAM users instead of `*`. This way you can restrict SSH access within your account
  * As soon as the public SSH key is deleted from the IAM user a login is no longer possible