diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9f72176..9fe986b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 ## [Unreleased]
 
+- Line-item tables label the quantity column Quantity
 - Update the CLI greeting logo to DualEntry
 - Add `export-jobs` commands (`create`, `list`, `get`, `wait`) for on-demand destination data refreshes via the public API
 
diff --git a/src/dualentry_cli/output.py b/src/dualentry_cli/output.py
index 50e707d..7162c53 100644
--- a/src/dualentry_cli/output.py
+++ b/src/dualentry_cli/output.py
@@ -232,7 +232,7 @@ def _transaction_detail(
         items_table = Table(show_lines=True, title="Line Items")
         items_table.add_column("#", justify="right", style="dim", width=4)
         items_table.add_column("Description", min_width=30)
-        items_table.add_column("Qty", justify="right", width=10)
+        items_table.add_column("Quantity", justify="right", width=12)
         items_table.add_column("Rate", justify="right", width=14)
         items_table.add_column("Amount", justify="right", width=14, style="bold")
 
diff --git a/tests/test_output.py b/tests/test_output.py
index aa3b82d..c53a5f9 100644
--- a/tests/test_output.py
+++ b/tests/test_output.py
@@ -105,6 +105,8 @@ def test_invoice_detail_also_warns(self, capsys):
         }
         format_output(data, resource="invoice")
         captured = capsys.readouterr()
+        assert "Quantity" in captured.out
+        assert "Qty" not in captured.out
         assert "Warning: showing 1 of 150 lines. The API caps inline lines at 100." in captured.out
 
     def test_json_keeps_flags_and_skips_warning(self, capsys):