chore: improve docs

1 files changed, 3 insertions, 1 deletions

diff --git a/docs/agent.md b/docs/agent.md
index 802108d..c74d2f3 100644
--- a/docs/agent.md
+++ b/docs/agent.md
@@ -50,6 +50,7 @@ variables:
     description: This is a bar with default value
     default: val
 ```
+> For sensitive information such as api_key, client_id, client_secret, and token, it's recommended to use environment variables instead of agent variables.
 
 When use define variables, please avoid these built-in variables:
 
@@ -90,7 +91,8 @@ documents:
 
 ### conversation_starters
 
-Predefined prompts or questions that the agent can use to initiate interactions or conversations.
+Define Predefined prompts or questions that users can ask to initiate interactions or conversations with the agent.
+This helps provide guidance for users on how to engage with the agent effectively.
 
  ```yaml
  conversation_starters: