Dual-stack docs correction

Signed-off-by: Bridget Kromhout <[email protected]>

Author: bridgetkromhout

content/en/docs/concepts/services-networking/dual-stack.md

@@ -74,7 +74,7 @@ An example of an IPv6 CIDR: `fdXY:IJKL:MNOP:15::/64` (this shows the format but
 
 If your cluster has dual-stack enabled, you can create {{< glossary_tooltip text="Services" term_id="service" >}} which can use IPv4, IPv6, or both. 
 
-The address family of a Service defaults to the address family of the first service cluster IP range (configured via the `--service-cluster-ip-range` flag to the kube-controller-manager).
+The address family of a Service defaults to the address family of the first service cluster IP range (configured via the `--service-cluster-ip-range` flag to the kube-api-server).
 
 When you define a Service you can optionally configure it as dual stack. To specify the behavior you want, you
 set the `.spec.ipFamilyPolicy` field to one of the following values: