fix invalid url

Author: wyyxd2017

keps/sig-cloud-provider/0018-testgrid-conformance-e2e.md

@@ -211,7 +211,7 @@ Done.
 
 Next thing you want to do is configure testgrid to read results from your GCS bucket. There are two [configuration](https://github.com/kubernetes/test-infra/tree/master/testgrid#configuration) steps required. One for your [test group](https://github.com/kubernetes/test-infra/tree/master/testgrid#test-groups) and one for your [dashboard](https://github.com/kubernetes/test-infra/tree/master/testgrid#dashboards).
 
-To add a test group update [config.yaml](https://github.com/kubernetes/test-infra/blob/master/testgrid/config.yaml) with something like the following:
+To add a test group update [config.yaml](https://github.com/kubernetes/test-infra/blob/master/config/testgrids/config.yaml) with something like the following:
 ```
 test_groups:
 ...
@@ -220,7 +220,7 @@ test_groups:
   gcs_prefix: k8s-conformance-demo/cloud-provider-demo/e2e-conformance-release-v1.10
 ```
 
-To add a link to your results in the testgrid dashboard, update [config.yaml](https://github.com/kubernetes/test-infra/blob/master/testgrid/config.yaml) with something like the following:
+To add a link to your results in the testgrid dashboard, update [config.yaml](https://github.com/kubernetes/test-infra/blob/master/config/testgrids/config.yaml) with something like the following:
 ```
 dashboards:
 ...