diff --git a/stack/stack-orchestrator/stack/laconic-wallet-web/README.md b/stack/stack-orchestrator/stack/laconic-wallet-web/README.md
index cb340d3..6e0567c 100644
--- a/stack/stack-orchestrator/stack/laconic-wallet-web/README.md
+++ b/stack/stack-orchestrator/stack/laconic-wallet-web/README.md
@@ -66,7 +66,7 @@ Instructions for running the `laconic-wallet-web` using [laconic-so](https://git
 
   # Deploy app URL used for checking origin of the messages for auto-sign-in route
   # Deploy app repo: https://git.vdb.to/cerc-io/snowballtools-base
-  REACT_APP_DEPLOY_APP_URL=
+  CERC_DEPLOY_APP_URL=
   ```
 
 ## Start the deployment