diff --git a/ag_bids_mcp/format.py b/ag_bids_mcp/format.py
index ac0f720..bb396ef 100644
--- a/ag_bids_mcp/format.py
+++ b/ag_bids_mcp/format.py
@@ -152,7 +152,7 @@ def fmt_price_trend(payload: dict, label: str = "price received") -> str:
             f"{_unit_money(s['min_cents'], unit)}–{_unit_money(s['max_cents'], unit)}) "
             f"· {_pct(s.get('vs_normal_pct'))} vs normal")
     lines.append(f"- **Recent direction:** {_delta_arrow({'up':1,'down':-1,'flat':0}[t['recent_direction']])} {t['recent_direction']}")
-    lines.append(f"\n_Source: {payload.get('source') or 'USDA NASS'} · {t['points']} months on file_")
+    lines.append(f"\n_Source: {payload.get('source') or 'USDA NASS'} · {t['points']} periods on file_")
     return "\n".join(lines) + "\n"