doc: fix minor typo (#2839)

Author: ahamez

docs/resources/vpc_gateway_network.md

@@ -139,7 +139,7 @@ The following arguments are supported:
 - `private_network_id` - (Required) The ID of the Private Network.
 - `dhcp_id` - (Required) The ID of the Public Gateway DHCP configuration. Only one of `dhcp_id`, `static_address` and `ipam_config` should be specified.
 - `enable_masquerade` - (Defaults to true) Whether masquerade (dynamic NAT) should be enabled on this GatewayNetwork
-- `enable_dhcp` - (Defaults to true) WWhether a DHCP configuration should be enabled on this GatewayNetwork. Requires a DHCP ID.
+- `enable_dhcp` - (Defaults to true) Whether a DHCP configuration should be enabled on this GatewayNetwork. Requires a DHCP ID.
 - `cleanup_dhcp` - (Defaults to false) Whether to remove DHCP configuration on this GatewayNetwork upon destroy. Requires DHCP ID.
 - `static_address` - Enable DHCP configration on this GatewayNetwork. Only one of `dhcp_id`, `static_address` and `ipam_config` should be specified.
 - `ipam_config` - Auto-configure the GatewayNetwork using Scaleway's IPAM (IP address management service). Only one of `dhcp_id`, `static_address` and `ipam_config` should be specified.