diff --git a/src/openapi/cluster.yaml b/src/openapi/cluster.yaml
index 487b26f7..42993350 100644
--- a/src/openapi/cluster.yaml
+++ b/src/openapi/cluster.yaml
@@ -10,7 +10,7 @@ Cluster:
     teamMember:
       - read-any
   title: Cluster
-  description: The Kubernetes cluster running APL.
+  description: The Kubernetes cluster running App Platform.
   properties:
     name:
       title: Name