diff --git a/web/src/editor/HistoryPanel.tsx b/web/src/editor/HistoryPanel.tsx
index 5762f31..ff88795 100644
--- a/web/src/editor/HistoryPanel.tsx
+++ b/web/src/editor/HistoryPanel.tsx
@@ -116,7 +116,7 @@ function HistoryEntry({
           <UndoButton
             changeSet={changeSet}
             undo={undo}
-            className="w-32 shrink-0"
+            className="w-32 shrink-0 text-right"
             label={reverted ? 'Undo again' : 'Undo'}
           />
         )}
diff --git a/web/src/editor/UndoButton.tsx b/web/src/editor/UndoButton.tsx
index 570cda7..3d3f1c7 100644
--- a/web/src/editor/UndoButton.tsx
+++ b/web/src/editor/UndoButton.tsx
@@ -43,8 +43,12 @@ const TONE_CLASS: Record<Exclude<UndoOutcome['tone'], 'pending'>, string> = {
 
 function OutcomeNote({ outcome }: { outcome: UndoOutcome }) {
   if (outcome.tone === 'pending') return null
+  // No text alignment of its own: the container decides. The history list stacks
+  // this to the right of an entry, the chat panel puts it under a left-aligned
+  // message, and a hard-coded text-right made the chat's copy read against its
+  // own column.
   return (
-    <p role="status" className={cn('text-right text-xs', TONE_CLASS[outcome.tone])}>
+    <p role="status" className={cn('text-xs', TONE_CLASS[outcome.tone])}>
       {outcome.message}
     </p>
   )