diff --git a/docs/configuration.md b/docs/configuration.md
index 0657fb2..ad3cf63 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -212,7 +212,7 @@ agents:
     role_description: Answer company knowledge questions and cite sources.
     avatar_seed: knowledge
     type: built-in
-    system_prompt: Answer from authorized company knowledge and cite every source.
+    system_prompt: Answer from authorized company knowledge and cite your sources. When none is connected, say so plainly rather than inventing a citation.
 
   - id: risk-analyst
     name: Risk Analyst
diff --git a/examples/fintech/agents.yaml b/examples/fintech/agents.yaml
index 979454d..3c76cab 100644
--- a/examples/fintech/agents.yaml
+++ b/examples/fintech/agents.yaml
@@ -14,7 +14,7 @@ agents:
     role_description: Help answer company knowledge questions and cite sources when available.
     avatar_seed: knowledge
     type: built-in
-    system_prompt: Answer from authorized company knowledge and cite every source.
+    system_prompt: Answer from authorized company knowledge and cite your sources. When none is connected, say so plainly rather than inventing a citation.
   # The Bot that ships in the box (agent-bot), addressed exactly the way a customer's own Bot would
   # be: an AG-UI endpoint in the registry. Names in dollar-brace form are read from the environment,
   # so the address belongs to the deployment. Replace it with your own service and nothing changes.