diff --git a/LearnEnglish/LearnEnglish/Views/QuizViewController.swift b/LearnEnglish/LearnEnglish/Views/QuizViewController.swift
index 8239b99..b20a010 100644
--- a/LearnEnglish/LearnEnglish/Views/QuizViewController.swift
+++ b/LearnEnglish/LearnEnglish/Views/QuizViewController.swift
@@ -37,7 +37,7 @@ final class QuizViewController: UIViewController {
         action: nil
     )
     private lazy var caseToggleItem = UIBarButtonItem(
-        title: "A a", style: .plain, target: self, action: #selector(toggleCase)
+        title: "a", style: .plain, target: self, action: #selector(toggleCase)
     )
 
     private var current: QuizQuestion? {
@@ -417,7 +417,7 @@ final class QuizViewController: UIViewController {
     }
 
     private func updateCaseButton() {
-        caseToggleItem.title = isUppercase ? "A A" : "A a"
+        caseToggleItem.title = isUppercase ? "A" : "a"
         caseToggleItem.tintColor = .label
     }