diff --git a/creating-a-kubernetes-cluster.md b/creating-a-kubernetes-cluster.md
index a375a4f06..b7dc094e9 100644
--- a/creating-a-kubernetes-cluster.md
+++ b/creating-a-kubernetes-cluster.md
@@ -16,6 +16,10 @@ To use a k8s cluster running in GKE:
     one) at http://console.cloud.google.com/home/dashboard. Set the ID of the
     project in an environment variable (e.g. `PROJECT_ID`).
 
+    _If you are a new GCP user, you might be eligible for a trial credit making
+    your GKE cluster and other resources free for a short time. Otherwise, any
+    GCP resources you create will cost money._
+
 1.  Enable the k8s API:
 
     ```shell
diff --git a/setting-up-a-docker-registry.md b/setting-up-a-docker-registry.md
index d72833dab..2e5589073 100644
--- a/setting-up-a-docker-registry.md
+++ b/setting-up-a-docker-registry.md
@@ -78,3 +78,8 @@ Install the following tools:
     environment variable for `bazel` to pick up the change.
 
 That's it, you're done!
+
+## Local registry
+
+This section has yet to be written. If you'd like to write it, see issue
+[#23](https://github.com/elafros/elafros/issues/23).