diff --git a/README.md b/README.md
index e24cd1e9..45f30e4f 100644
--- a/README.md
+++ b/README.md
@@ -68,7 +68,7 @@ spec:
       - 192.168.1.0/26
     image:
       architecture: amd64
-      imageId: ami-0fe8bec493a81c7da
+      imageId: ami-0fe8bec493a81c7da # Ubuntu 22.04 image
   containerRuntime:
     install: true
     name: containerd
diff --git a/cmd/delete/delete.go b/cmd/delete/delete.go
index d8b692eb..697c7308 100644
--- a/cmd/delete/delete.go
+++ b/cmd/delete/delete.go
@@ -82,6 +82,9 @@ func (m command) build() *cli.Command {
 			}
 
 			// read hostUrl from cache
+			if opts.cachePath == "" {
+				opts.cachePath = filepath.Join(os.Getenv("HOME"), ".cache", "holodeck")
+			}
 			opts.cachefile = filepath.Join(opts.cachePath, opts.cfg.Name+".yaml")
 			opts.cache, err = jyaml.UnmarshalFromFile[v1alpha1.Environment](opts.cachefile)
 			if err != nil {