Add note about defaulting behaviour for subnets
@@ -288,7 +288,9 @@ type FailureDomains struct {
// AWSFailureDomain configures failure domain information for the AWS platform
// +kubebuilder:validation:MinProperties:=1
type AWSFailureDomain struct {
- // Subnet is a reference to the subnet to use for this instance
+ // Subnet is a reference to the subnet to use for this instance.
+ // If no subnet reference is provided, the Machine will be created in the first
+ // subnet returned by AWS when listing subnets within the provided availability zone.
// +optional
Subnet *AWSResourceReference `json:"subnet,omitempty"`
