Fix install url in pipelines-in-pipelines README

fixes tektoncd#817

pipelines-in-pipelines/README.md

@@ -39,7 +39,7 @@ pip-controller-654bdc4cc8-7bvvn   1/1     Running   0          3m4s
 Alternatively, install it from the nightly release using:
 
 ```commandline
-kubectl apply --filename https://storage.cloud.google.com/tekton-releases-nightly/pipelines-in-pipelines/latest/release.yaml
+kubectl apply --filename https://storage.googleapis.com/tekton-releases-nightly/pipelines-in-pipelines/latest/release.yaml
 ```
 
 ## Usage
@@ -588,4 +588,4 @@ This will delete the `Pipelines-In-Pipelines Controller` and related resources o
 Read an overview of our processes in [Tekton Community](https://github.com/tektoncd/community).
 
 [kubernetes-overview]:
-https://kubernetes.io/docs/concepts/overview/working-with-objects/kubernetes-objects/#required-fields
+https://kubernetes.io/docs/concepts/overview/working-with-objects/kubernetes-objects/#required-fields