diff --git a/web/src/components/TwoStageKeyModal.tsx b/web/src/components/TwoStageKeyModal.tsx
index 70e0f478..d960b28a 100644
--- a/web/src/components/TwoStageKeyModal.tsx
+++ b/web/src/components/TwoStageKeyModal.tsx
@@ -63,8 +63,10 @@ export function TwoStageKeyModal({
   const stage1Ref = useRef<HTMLInputElement>(null)
   const stage2Ref = useRef<HTMLInputElement>(null)
 
-  const expectedPart1Length = Math.ceil(expectedLength / 2)
-  const expectedPart2Length = expectedLength - expectedPart1Length
+  // UX improvement: Use 58 + 6 split (most of the key + last 6 chars)
+  // Advantage: Second stage only requires entering 6 characters, much easier to count
+  const expectedPart1Length = expectedLength - 6  // 64 - 6 = 58
+  const expectedPart2Length = 6  // Last 6 characters
 
   useEffect(() => {
     if (isOpen && stage === 1 && stage1Ref.current) {