diff --git a/lib/l10n/cs_CZ/app_cs_CZ.arb b/lib/l10n/cs_CZ/app_cs_CZ.arb
index 945a2ac0..d04d8632 100644
--- a/lib/l10n/cs_CZ/app_cs_CZ.arb
+++ b/lib/l10n/cs_CZ/app_cs_CZ.arb
@@ -234,11 +234,11 @@
   "@confirmScanDetail": {},
   "connectionCheck": "Zkontrolovat připojení",
   "@connectionCheck": {},
-  "connectionCheckDetail": "Checks that the server address is reachable. This does not verify your username or password.",
+  "connectionCheckDetail": "Zkontroluje dostupnost adresy serveru. Toto neověřuje vaše uživatelské jméno ani heslo.",
   "@connectionCheckDetail": {},
   "connectionRefused": "Spojení selhalo",
   "@connectionRefused": {},
-  "connectionRefusedDetail": "Could not reach the server. Check that the address is correct and the server is running.",
+  "connectionRefusedDetail": "Nelze se připojit k serveru. Zkontrolujte, zda je adresa správná a server běží.",
   "@connectionRefusedDetail": {},
   "count": "Počet",
   "@count": {
@@ -272,9 +272,9 @@
   "@darkMode": {},
   "darkModeEnable": "Nastaví tmavý motiv aplikace",
   "@darkModeEnable": {},
-  "showPkValue": "Show ID",
+  "showPkValue": "Zobrazit ID",
   "@showPkValue": {},
-  "showPkValueDetail": "Display the internal ID (PK) value for parts, stock items and other objects",
+  "showPkValueDetail": "Zobrazit interní ID (PK) hodnoty pro díly, zásoby a jiné objekty",
   "@showPkValueDetail": {},
   "pk": "ID",
   "@pk": {},
@@ -764,7 +764,7 @@
   "@profileAdd": {},
   "profileConnect": "Připojit se k serveru",
   "@profileConnect": {},
-  "profileSwitchConfirm": "This will disconnect your current session. Switch server profile?",
+  "profileSwitchConfirm": "Toto odpojí vaší aktuální relaci. Přepnout profil serveru?",
   "@profileSwitchConfirm": {},
   "profileEdit": "Upravit profil serveru",
   "@profileEdit": {},
@@ -998,15 +998,15 @@
   "@serverApiVersion": {},
   "serverAuthenticationError": "Chyba ověření",
   "@serverAuthenticationError": {},
-  "sessionExpired": "Session Expired",
+  "sessionExpired": "Relace vypršela",
   "@sessionExpired": {},
-  "sessionExpiredDetail": "Your session has expired. Please sign in again.",
+  "sessionExpiredDetail": "Vaše relace vypršela. Přihlašte se prosím znovu.",
   "@sessionExpiredDetail": {},
   "serverCertificateError": "Chyba certifikátu",
   "@serverCertificateError": {},
   "serverCertificateInvalid": "HTTPS certifikát serveru je neplatný",
   "@serverCertificateInvalid": {},
-  "serverCertificateTrust": "This server's certificate could not be verified. Trust it anyway?",
+  "serverCertificateTrust": "Certifikát tohoto serveru nelze ověřit. Přesto mu důvěřovat?",
   "@serverCertificateTrust": {},
   "serverConnected": "Připojeno k serveru",
   "@serverConnected": {},