Update README.md

Author: EsariUp

README.md

@@ -86,11 +86,12 @@ After completing the init setup above you will be able to run the SUGCON Sites d
 
   ```env
   JSS_EDITING_SECRET=XXXX
-  JSS_APP_NAME=ANZ
+  SITECORE_SITE_NAME=ANZ
   SITECORE_API_HOST=https://xmc-XXX-XXX-XXX.sitecorecloud.io/
   GRAPH_QL_ENDPOINT=https://xmc-XXX-XXX-XXX.sitecorecloud.io/sitecore/api/graph/edge
   SITECORE_API_KEY=B2F8A9B9-7203-4DCF-9314-8B28B043347E
   FETCH_WITH=GraphQL
+  SITECORE_EDGE_CONTEXT_ID=XXXX
   ```
 - Open a new terminal window and navigate to the `./headapps/Sugcon2024` folder.
 - Run the following command to install dependencies and start the site: