diff --git a/locales/cs/auth.json b/locales/cs/auth.json
index 025a3876..74468440 100644
--- a/locales/cs/auth.json
+++ b/locales/cs/auth.json
@@ -1,15 +1,15 @@
 {
 	"login": {
-		"INVALID_LOGIN": "E-Mail or Phone not found",
-		"INVALID_PASSWORD": "Invalid Password"
+		"INVALID_LOGIN": "E-Mail nebo telefon nenalezen",
+		"INVALID_PASSWORD": "Neplatné heslo"
 	},
 	"register": {
-		"REGISTRATION_DISABLED": "New user registration is disabled",
-		"INVITE_ONLY": "You must be invited to register",
+		"REGISTRATION_DISABLED": "Registrace nového uživatele je zakázána",
+		"INVITE_ONLY": "Musíte být pozváni k registraci",
 		"EMAIL_INVALID": "Invalid Email",
-		"EMAIL_ALREADY_REGISTERED": "Email is already registered",
-		"DATE_OF_BIRTH_UNDERAGE": "You need to be {{years}} years or older",
-		"CONSENT_REQUIRED": "You must agree to Terms of Service and Privacy Policy.",
-		"USERNAME_TOO_MANY_USERS": "Too many users have this username, please try another"
+		"EMAIL_ALREADY_REGISTERED": "E-mail je již registrován",
+		"DATE_OF_BIRTH_UNDERAGE": "Musíš být {{years}} let nebo starší",
+		"CONSENT_REQUIRED": "Musíte souhlasit s obchodními podmínkami a zásadami ochrany osobních údajů.",
+		"USERNAME_TOO_MANY_USERS": "Příliš mnoho uživatelů má toto uživatelské jméno, zkuste prosím jiné"
 	}
 }