add verification

README.md

@@ -55,7 +55,7 @@ The recommended way to get started using this repository is to:
 1. Fork the repository
 2. Modify `config.yaml` and merge the changes into your main branch. If you want a different schedule than Sunday through Thursday at 1:25PM UTC, then also modify the file `.github/workflows/daily_pipeline.yaml`
 3. Create or fetch your api key for [OpenAI](https://platform.openai.com/account/api-keys). Note: you will need an OpenAI account.
-4. Create or fetch your api key for [SendGrid](https://app.SendGrid.com/settings/api_keys). You will need a SendGrid account. The free tier will generally suffice. Make sure to verify your email address.
+4. Create or fetch your api key for [SendGrid](https://app.SendGrid.com/settings/api_keys). You will need a SendGrid account. The free tier will generally suffice. Make sure to [verify your sender identity](https://docs.sendgrid.com/for-developers/sending-email/sender-identity).
 5. Set the following secrets [(under settings, Secrets and variables, repository secrets)](https://docs.github.com/en/actions/security-guides/encrypted-secrets#creating-encrypted-secrets-for-a-repository):
    - `OPENAI_API_KEY`
    - `SENDGRID_API_KEY`