diff --git a/tests/ui/app.spec.js b/tests/ui/app.spec.js
index f1fc10f..ac0f070 100644
--- a/tests/ui/app.spec.js
+++ b/tests/ui/app.spec.js
@@ -189,11 +189,11 @@ test('the reading font is an item\'s title and text, and the interface keeps its
   // A serif gets more room between its lines (1.75 of the text's size, against 1.65).
   const lh = await page.locator('#detail .dbody').evaluate(el => { const c = getComputedStyle(el); return parseFloat(c.lineHeight) / parseFloat(c.fontSize); });
   expect(lh).toBeCloseTo(1.75, 2);
-  // About 70 characters a line, however wide the pane (#360).
+  // About 80 characters a line, however wide the pane (#360).
   const measure = await page.locator('#detail .dbody').evaluate(el => {
     const ch = document.createElement('span'); ch.textContent = '0'; el.append(ch);
     const n = el.getBoundingClientRect().width / ch.getBoundingClientRect().width; ch.remove(); return n; });
-  expect(measure).toBeLessThanOrEqual(70.5);
+  expect(measure).toBeLessThanOrEqual(80.5);
   const [pane, text] = await page.locator('#detail .dbody').evaluate(el =>
     [el.parentElement.clientWidth, el.getBoundingClientRect().width]);
   expect(text, 'the pane is wider, so the measure is what holds it').toBeLessThan(pane - 100);
diff --git a/web/CHANGELOG.md b/web/CHANGELOG.md
index a5ad8ee..aaffd3e 100644
--- a/web/CHANGELOG.md
+++ b/web/CHANGELOG.md
@@ -13,7 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
-- An item's title and text keep to about 70 characters a line, however wide the window, so the eye finds the start of the next line (#360).
+- An item's title and text keep to about 80 characters a line, however wide the window, so the eye finds the start of the next line (#360).
 
 ### Added
 
diff --git a/web/app.css b/web/app.css
index 68d897c..e0053c3 100644
--- a/web/app.css
+++ b/web/app.css
@@ -889,9 +889,9 @@ body.scan-this .fhead [data-a=scan] .i,body.scan-any .fhead [data-a=scanall] .i,
 .dmeta .tview{width:auto;padding:3px 6px;font-size:12px}
 #detail .encbox{margin:0 0 10px}
 .dbody{font-size:14.5px;line-height:1.65;overflow-wrap:anywhere;color:var(--fg)}
-/* About 70 characters a line, where the eye finds the next line's start without hunting: across a
+/* About 80 characters a line, where the eye finds the next line's start without hunting: across a
    wide window a line ran past a hundred (#360). In ch, so the measure follows the reading font. */
-#detail :is(.dt,.dbody){max-width:70ch}
+#detail :is(.dt,.dbody){max-width:80ch}
 .dbody img{max-width:100%;height:auto;border-radius:6px}
 .dbody a{color:var(--accent)}
 .dbody pre{overflow-x:auto;background:var(--panel2);padding:10px;border-radius:8px}