diff --git a/playground/contract.json b/playground/contract.json
index 98b86c5..ce0e633 100644
--- a/playground/contract.json
+++ b/playground/contract.json
@@ -52,7 +52,7 @@
       "managed": {
         "selected_waterline_run": {
           "requirement": "omitted",
-          "reason": "managed-runtime-waterline-not-provisioned"
+          "reason": "managed-waterline-not-validated-by-sdk-playground"
         }
       }
     }
diff --git a/tests/Unit/PlaygroundContractTest.php b/tests/Unit/PlaygroundContractTest.php
index 61aed27..ea6dc5c 100644
--- a/tests/Unit/PlaygroundContractTest.php
+++ b/tests/Unit/PlaygroundContractTest.php
@@ -45,7 +45,7 @@ public function test_playground_exposes_symmetric_authored_scenarios(): void
         $this->assertSame(
             [
                 'requirement' => 'omitted',
-                'reason' => 'managed-runtime-waterline-not-provisioned',
+                'reason' => 'managed-waterline-not-validated-by-sdk-playground',
             ],
             $contract['proof']['runtime']['managed']['selected_waterline_run'] ?? null,
         );
@@ -655,7 +655,7 @@ class FakeWorker:
     assert payload["workflow"]["worker_id"] == active["worker_id"]
     assert payload["waterline"] == {
         "status": "omitted",
-        "reason": "managed-runtime-waterline-not-provisioned",
+        "reason": "managed-waterline-not-validated-by-sdk-playground",
     }
     summaries.append(payload["language"])
     evidence_paths.append(evidence_path)