Fix anchor on kustomize migration link

Signed-off-by: leigh capili <leigh@null.net>

docs/faq/index.md

@@ -266,7 +266,7 @@ The Flux community has created guides and example repositories
 to help you migrate to Flux v2:
 
 - [Migrate from Flux v1](https://toolkit.fluxcd.io/guides/flux-v1-migration/)
-- [Migrate from `.flux.yaml` and kustomize](https://toolkit.fluxcd.io/guides/flux-v1-migration/)
+- [Migrate from `.flux.yaml` and kustomize](https://toolkit.fluxcd.io/guides/flux-v1-migration/#flux-with-kustomize)
 - [Migrate from Flux v1 automated container image updates](https://toolkit.fluxcd.io/guides/flux-v1-automation-migration/)
 - [How to manage multi-tenant clusters with Flux v2](https://github.com/fluxcd/flux2-multi-tenancy)
 - [Migrate from Helm Operator to Flux v2](https://toolkit.fluxcd.io/guides/helm-operator-migration/)