doc(lb): fix small typos (scaleway#335)

Signed-off-by: Patrik Cyvoct <[email protected]>

Author: Sh4d1

website/docs/r/lb_backend_beta.html.markdown

@@ -47,7 +47,7 @@ The following arguments are supported:
 
 - `lb_id`                       - (Required) The load-balancer ID this backend is attached to.
 ~> **Important:** Updates to `lb_id` will recreate the backend.
-- `forward_protocol`            - (Required) Backend protocol. Possible values are: `TCP` or `HTTP`.
+- `forward_protocol`            - (Required) Backend protocol. Possible values are: `tcp` or `http`.
 - `name`                        - (Optional) The name of the load-balancer backend.
 - `forward_port`                - (Required) User sessions will be forwarded to this port of backend servers.
 - `forward_port_algorithm`      - (Default: `roundrobin`) Load balancing algorithm. Possible values are: `roundrobin` and `leastconn`.

website/docs/r/lb_frontend_beta.html.markdown

@@ -34,7 +34,7 @@ The following arguments are supported:
 - `inbound_port`                - (Required) TCP port to listen on the front side.
 - `name`                        - (Optional) The name of the load-balancer frontend.
 - `timeout_client`              - (Optional) Maximum inactivity time on the client side. (e.g.: `1s`)
-- `certificate_id`              - (Required) Certificate ID that should be used by the frontend.
+- `certificate_id`              - (Optional) Certificate ID that should be used by the frontend.
 
 ## Attributes Reference