diff --git a/messages/es-ES.json b/messages/es-ES.json
index 659ad8379..ebc343d0a 100644
--- a/messages/es-ES.json
+++ b/messages/es-ES.json
@@ -3587,7 +3587,8 @@
     "sshPrivateKeyPlaceholder": "-----COMIENZO DE LA CLAVE PRIVADA OPENSSH-----",
     "sshPrivateKeyRequired": "Se requiere clave privada",
     "vncTitle": "VNC",
-    "vncSignInDescription": "Introduce tu contraseña VNC para conectar",
+    "vncSignInDescription": "Enter your VNC credentials to connect",
+    "vncUsernameOptional": "Username (optional)",
     "vncPasswordOptional": "Contraseña (opcional)",
     "vncNoResourceTarget": "No hay objetivo de recurso disponible",
     "vncFailedToLoadNovnc": "Error al cargar noVNC",