diff --git a/specs/rocky/index.rst b/specs/rocky/index.rst
index 47f5a02..7fa63bc 100644
--- a/specs/rocky/index.rst
+++ b/specs/rocky/index.rst
@@ -6,7 +6,6 @@
    :glob:
    :maxdepth: 2
 
-   introduce-topic-resource-for-notification
    queue-filter-support
    remove-format-constraint-of-client-id
    subscription-filtering-tags
diff --git a/specs/stein/index.rst b/specs/stein/index.rst
index 86e32ba..2df8f5a 100644
--- a/specs/stein/index.rst
+++ b/specs/stein/index.rst
@@ -8,3 +8,4 @@
 
    email-notification-by-internal-tool
    delete-message-with-claim-id
+   introduce-topic-resource-for-notification
diff --git a/specs/rocky/introduce-topic-resource-for-notification.rst b/specs/stein/introduce-topic-resource-for-notification.rst
similarity index 100%
rename from specs/rocky/introduce-topic-resource-for-notification.rst
rename to specs/stein/introduce-topic-resource-for-notification.rst