Added extra docs regarding format
| strip_path | Enable the [strip URI](/docs/proxy/strip_uri_property.md) rule on this proxy |
| methods | Defines which [methods](/docs/proxy/request_http_method.md) are enabled for this proxy |
| hosts | Defines which [hosts](/docs/proxy/request_http_header.md) are enabled for this proxy |
-| forwarding_timeouts.dial_timeout | The amount of time to wait until a connection to a backend server can be established. Defaults to 30 seconds. If zero, no timeout exists |
-| forwarding_timeouts.response_header_timeout | The amount of time to wait for a server's response headers after fully writing the request (including its body, if any). If zero, no timeout exists |
+| forwarding_timeouts.dial_timeout | The amount of time to wait until a connection to a backend server can be established. Defaults to 30 seconds. If zero, no timeout exists. You must use any format that is compatible with [time.Duration](https://golang.org/pkg/time/#Duration) |
+| forwarding_timeouts.response_header_timeout | The amount of time to wait for a server's response headers after fully writing the request (including its body, if any). If zero, no timeout exists. You must use any format that is compatible with [time.Duration](https://golang.org/pkg/time/#Duration) |
