diff --git a/src/schemas/0.4.ts b/src/schemas/0.4.ts
index 353c787..e706e26 100644
--- a/src/schemas/0.4.ts
+++ b/src/schemas/0.4.ts
@@ -1,4 +1,5 @@
 // v0.4: Adds UV runtime support for Python extensions
+// NOTE: This schema version is experimental and subject to change.
 import * as z from "zod";
 
 export const MANIFEST_VERSION = "0.4";
diff --git a/src/schemas_loose/0.4.ts b/src/schemas_loose/0.4.ts
index 35a7524..d75eed3 100644
--- a/src/schemas_loose/0.4.ts
+++ b/src/schemas_loose/0.4.ts
@@ -1,3 +1,5 @@
+// v0.4: Adds UV runtime support for Python extensions
+// NOTE: This schema version is experimental and subject to change.
 import * as z from "zod";
 
 export const MANIFEST_VERSION = "0.4";