diff --git a/platformifier/templates/upsun/.upsun/config.yaml b/platformifier/templates/upsun/.upsun/config.yaml
index 4899fa6..14d44b5 100644
--- a/platformifier/templates/upsun/.upsun/config.yaml
+++ b/platformifier/templates/upsun/.upsun/config.yaml
@@ -35,13 +35,14 @@ applications:
       {{ range $key, $value := .Mounts -}}
       "{{ $key }}":
         {{ range $key, $value := $value }}
+        {{- if eq $key "source" -}}{{- $value = $value | replace "local" "storage" -}}{{- end -}}
         {{- $key }}: "{{ $value }}"
         {{ end }}
       {{ end -}}
     {{- else -}}
     # mounts:
-    #   "/.cache": # Represents the path in the app.
-    #     source: "local" # "local" sources are unique to the app, while "service" sources can be shared among apps.
+    #   "/storage": # Represents the path in the app.
+    #     source: "shared" # "shared" sources are unique to the app, but shared among instances of the app. "service" sources can be shared among apps.
     #     source_path: "cache" # The subdirectory within the mounted disk (the source) where the mount should point.
     {{- end }}