Tweak marathon wording around clustering.
@@ -748,8 +748,7 @@ See below for the configuration options for Marathon discovery:
```yaml
# List of URLs to be used to contact Marathon servers.
-# You need to provide at least one server URL, but should provide URLs for
-# all masters you have running.
+# You need to provide at least one server URL.
servers:
- <string>
