diff --git a/services/app/apps/codebattle/assets/js/__tests__/UserSettings.test.jsx b/services/app/apps/codebattle/assets/js/__tests__/UserSettings.test.jsx
index 7026c4f97..02960e1f2 100644
--- a/services/app/apps/codebattle/assets/js/__tests__/UserSettings.test.jsx
+++ b/services/app/apps/codebattle/assets/js/__tests__/UserSettings.test.jsx
@@ -129,7 +129,7 @@ describe('UserSettings test cases', () => {
 
     expect(
       await findByText(
-        /Should contain Latin letters, numbers and underscores. Only begin with latin letter/i,
+        /Must consist of Latin letters, numbers and underscores. Only begin with latin letter/i,
       ),
     ).toBeInTheDocument();
     expect(submitButton).toBeDisabled();
diff --git a/services/app/apps/codebattle/assets/js/widgets/formik/index.js b/services/app/apps/codebattle/assets/js/widgets/formik/index.js
index 99aeec289..f81f4d4f7 100644
--- a/services/app/apps/codebattle/assets/js/widgets/formik/index.js
+++ b/services/app/apps/codebattle/assets/js/widgets/formik/index.js
@@ -35,7 +35,7 @@ const schemas = {
       )
       .matches(
         /^[a-zA-Z]+[a-zA-Z0-9_-\s{1}][a-zA-Z0-9_]+$/i,
-        'Should contain Latin letters, numbers and underscores. Only begin with latin letter',
+        'Must consist of Latin letters, numbers and underscores. Only begin with latin letter',
       )
       .trim(),
     clan: Yup.string()
@@ -69,7 +69,7 @@ const schemas = {
         .max(16, 'Should be from 3 to 16 characters')
         .matches(
           /^[a-zA-Z]+[a-zA-Z0-9_-\s{1}][a-zA-Z0-9_]+$/i,
-          'Should contain Latin letters, numbers and underscores. Only begin with latin letter',
+          'Must consist of Latin letters, numbers and underscores. Only begin with latin letter',
         )
         .required('Nickname required'),
       email: emailSchema,