diff --git a/README.md b/README.md
index 5e133dc..ff37195 100644
--- a/README.md
+++ b/README.md
@@ -135,12 +135,16 @@ matrix run <entry> --mount <mount>
 matrix invoke <mount> <op> [json]
 ```
 
-The current CLI proof is:
+The current SDK CLI acceptance proof is:
 
 ```bash
 pnpm prove:cli-uat
 ```
 
+The command name uses `uat`, but its scope is only the SDK package-author CLI
+flow. It is not HiveCast product UAT, browser UAT, signup/login UAT, API-key UI
+UAT, or live platform deployment proof.
+
 The CLI is intended to let a package author initialize a folder, add actors,
 configure broker access, run actors, and invoke them without importing HiveCast
 product packages into the SDK layer.