fix: update instructions to allow user read/write access for secrets.…

…json

docs/fassets/guides/1-deploy-fassets-bots.mdx

@@ -137,7 +137,7 @@ The FAsset agents require multiple keys for the Flare and underlying network cha
    cp secrets.new.json secrets.json
    ```
 
-4. Prevent other users from reading the secrets.json file:
+4. Allow the user to read and write `secrets.json`:
 
    ```bash
    chmod 600 secrets.json