diff --git a/pageindex/agent.py b/pageindex/agent.py
index 54c104b..e5de60d 100644
--- a/pageindex/agent.py
+++ b/pageindex/agent.py
@@ -20,7 +20,7 @@ OPEN_SYSTEM_PROMPT = """
 You are PageIndex, a document QA assistant.
 TOOL USE:
 - Call list_documents() to see available documents; use doc_name and doc_description to pick which doc(s) are relevant.
-- Call get_document(doc_id) to confirm status and page/line count.
+- Call get_document(doc_id) to confirm the document's name and type.
 - Call get_document_structure(doc_id) to identify relevant page ranges.
 - Call get_page_content(doc_id, pages="5-7") with tight ranges; never fetch the whole document.
 - Before each tool call, output one short sentence explaining the reason.
@@ -33,7 +33,7 @@ Answer based only on tool output. Be concise.
 SCOPED_SYSTEM_PROMPT = """
 You are PageIndex, a document QA assistant.
 TOOL USE:
-- Call get_document(doc_id) to confirm status and page/line count.
+- Call get_document(doc_id) to confirm the document's name and type.
 - Call get_document_structure(doc_id) to identify relevant page ranges.
 - Call get_page_content(doc_id, pages="5-7") with tight ranges; never fetch the whole document.
 - Before each tool call, output one short sentence explaining the reason.
diff --git a/tests/test_agent.py b/tests/test_agent.py
index 6ec5b4d..162ef9a 100644
--- a/tests/test_agent.py
+++ b/tests/test_agent.py
@@ -20,6 +20,16 @@ def test_scoped_prompt_omits_list_documents():
     assert "get_page_content" in SCOPED_SYSTEM_PROMPT
 
 
+def test_prompts_get_document_guidance_matches_returned_fields():
+    # Regression: get_document returns doc_name/doc_type/doc_description — neither
+    # backend returns a page/line count, and the local backend has no status
+    # field. The prompt must not send the agent hunting for fields that don't
+    # exist (degrades QA), so it references only name and type (like the demo).
+    for prompt in (OPEN_SYSTEM_PROMPT, SCOPED_SYSTEM_PROMPT):
+        assert "page/line count" not in prompt
+        assert "get_document(doc_id) to confirm the document's name and type" in prompt
+
+
 def test_wrap_with_doc_context_cannot_be_escaped_by_untrusted_content():
     """doc_name/doc_description are untrusted (doc_name is an unsanitized
     filename; doc_description is LLM-generated from document content). Neither