Update README.md

README.md

@@ -111,7 +111,7 @@ deprecation_warnings = false
 
 Notice that SSH's host key checking is disabled for convenience, as the
 managed VM will get a new IP address each time it is recreated. **For
-production systems this is be a security risk!** [See the
+production systems this is a security risk!** [See the
 doc](https://docs.ansible.com/ansible/latest/reference_appendices/config.html#the-configuration-file)
 for the other details.