Update readme

Author: volodymyrZotov

README.md

@@ -23,7 +23,7 @@ Read more on the [1Password Developer Portal](https://developer.1password.com/do
 
 ## ✨ Quickstart
 
-### Use secrets from step output (recommended)
+### Export secrets as a step's output (recommended)
 
 ```yml
 on: push
@@ -56,10 +56,10 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Load secret
-        id: load_secret
         uses: 1password/load-secrets-action@v3
         with:
-          export-env: "true"
+          # Export loaded secrets as environment variables
+          export-env: true
         env:
           OP_SERVICE_ACCOUNT_TOKEN: ${{ secrets.OP_SERVICE_ACCOUNT_TOKEN }}
           SECRET: op://app-cicd/hello-world/secret