Fix `path_prefix` attribute documentation
@@ -206,7 +206,7 @@ The `backend` block defines the connection to a local/remote backend service.
| `hostname` | string |-|Value of the HTTP host header field for the origin request. |Since `hostname` replaces the request host the value will also be used for a server identity check during a TLS handshake with the origin.|-|
| `origin` |string|-|URL to connect to for backend requests.|&#9888; required. &#9888; Must start with the scheme `http://...`.|-|
| `path` | string|-|Changeable part of upstream URL.|-|-|
-| `path_prefix` | string|-|Prefixes all backend request paths with the given prefix|&#9888; Must start with the scheme `http://...`. |-|
+| `path_prefix` | string|-|Prefixes all backend request paths with the given prefix|-|-|
| `connect_timeout` | [duration](#duration) | `10s` | The total timeout for dialing and connect to the origin. |- |-|
| `disable_certificate_validation` | bool | `false` | Disables the peer certificate validation. | - |-|
| `disable_connection_reuse` | bool | `false` | Disables reusage of connections to the origin. | - |-|
