diff --git a/app/CoreModule/Presenters/templates/Sign/in.latte b/app/CoreModule/Presenters/templates/Sign/in.latte
index 101d62dd..24aeb92e 100644
--- a/app/CoreModule/Presenters/templates/Sign/in.latte
+++ b/app/CoreModule/Presenters/templates/Sign/in.latte
@@ -1,5 +1,5 @@
 {block content}
-<h1 n:block=title>Sign In</h1>
+<h1 n:block=title>Přihlašování</h1>
 
 {include sign-form signInForm}
 
diff --git a/app/CoreModule/Presenters/templates/Sign/out.latte b/app/CoreModule/Presenters/templates/Sign/out.latte
index 8ed42abd..aa92a989 100644
--- a/app/CoreModule/Presenters/templates/Sign/out.latte
+++ b/app/CoreModule/Presenters/templates/Sign/out.latte
@@ -1,4 +1,4 @@
 {block content}
-<h1 n:block=title>You have been signed out</h1>
+<h1 n:block=title>Byl ji odhlášen</h1>
 
-<p><a class="ajax" n:href="in">Sign in to another account</a></p>
+<p><a class="ajax" n:href="in">Přihlaš se pomocí jiného účtu</a></p>
diff --git a/app/CoreModule/Presenters/templates/Sign/up.latte b/app/CoreModule/Presenters/templates/Sign/up.latte
index e597496e..b22f9380 100644
--- a/app/CoreModule/Presenters/templates/Sign/up.latte
+++ b/app/CoreModule/Presenters/templates/Sign/up.latte
@@ -1,6 +1,6 @@
 {block content}
-<h1 n:block=title>Sign Up</h1>
+<h1 n:block=title>Registrace</h1>
 
 {include sign-form signUpForm}
 
-<p><a class="ajax" n:href="in">Already have an account? Log in.</a></p>
+<div><a class="ajax" n:href="in">Již máš účet? Přihlaš se</a></div>
diff --git a/app/Forms/SignUpFormFactory.php b/app/Forms/SignUpFormFactory.php
index 39f107e4..d4caad4a 100644
--- a/app/Forms/SignUpFormFactory.php
+++ b/app/Forms/SignUpFormFactory.php
@@ -37,15 +37,15 @@ public function __construct(FormFactory $factory, Model\UserManager $userManager
 	public function create(callable $onSuccess): Form
 	{
 		$form = $this->factory->create();
-		$form->addText('username', 'Pick a username:')
-			->setRequired('Please pick a username.');
+		$form->addText('username', 'Jméno:')
+			->setRequired('Zadejte prosím uživatelské jméno');
 
-		$form->addPassword('password', 'Create a password:')
-			->setOption('description', sprintf('at least %d characters', self::PASSWORD_MIN_LENGTH))
-			->setRequired('Please create a password.')
+		$form->addPassword('password', 'Heslo')
+			->setOption('description', sprintf('alespoň %d znaků', self::PASSWORD_MIN_LENGTH))
+			->setRequired('Zadejte prosím uživatelské heslo')
 			->addRule($form::MIN_LENGTH, null, self::PASSWORD_MIN_LENGTH);
 
-		$form->addSubmit('send', 'Sign up');
+		$form->addSubmit('send', 'Registrovat');
 
 		$form->onSuccess[] = function (Form $form, \stdClass $values) use ($onSuccess): void {
 			try {
@@ -53,7 +53,7 @@ public function create(callable $onSuccess): Form
 				$this->user->login($values->username, $values->password);
 
 			} catch (Model\DuplicateNameException $e) {
-				$form['username']->addError('Username is already taken.');
+				$form['username']->addError('Uživatelské jméno je již obsazeno');
 				return;
 			}
 			$onSuccess();