docs: Add plain-text info (#42967)

Author: nataliekwong

docs/deploying-airbyte/integrations/secrets.md

@@ -7,7 +7,13 @@ import TabItem from '@theme/TabItem';
 
 # Secret Management
 
-Airbyte's default behavior is to store connector secrets on your configured database. Airbyte recommends storing connector secrets in an external secret manager. The currently supported Secret managers are: AWS Secrets Manager, Google Secrets Manager or Hashicorp Vault. Upon creating a new connector, secrets (e.g. OAuth tokens, database passwords) will be written to and read from the configured Secrets manager.
+Secrets are sensitive information that should be kept confidential to protect the security and integrity of your instance.
+
+:::info
+Airbyte's default behavior is to store connector secrets on your configured database. This will be stored in plain-text and not encrypted.
+:::
+
+Airbyte **highly recommends** storing connector secrets in an external secret manager to ensure secrets are not exposed. The currently supported Secret managers are: AWS Secrets Manager, Google Secrets Manager or Hashicorp Vault. Upon creating a new connector, secrets (e.g. OAuth tokens, database passwords) will be written to and read from the configured Secrets manager.
 
 ## Secrets
 

docs/using-airbyte/getting-started/oss-quickstart.md

@@ -21,6 +21,8 @@ If you've already set up an Airbyte instance using Docker Compose and want to mo
 **When you're ready to put an Airbyte instance into production, you'll want to review our guides on deployment.**
 
 For the best experience, we recommend [Deploying Airbyte on Kubernetes via Helm](../../deploying-airbyte/deploying-airbyte.md). 
+
+On a local deployment, Airbyte's default behavior is to store connector secrets in your configured database. These secrets are stored in plain text and are not encrypted. Refer to the [Secret Management documentation](../../deploying-airbyte/integrations/secrets.md) to set up an external secrets manager.
 :::
 
 If setting up an Airbyte server does not fit your use case needs (i.e. you're using Jupyter Notebooks or iterating on an early prototype for your project) you may find the [PyAirbyte](../pyairbyte/getting-started.mdx) documentation useful.