diff --git a/messages/pt-PT.json b/messages/pt-PT.json
index 31b635d56..e4602d769 100644
--- a/messages/pt-PT.json
+++ b/messages/pt-PT.json
@@ -2717,6 +2717,7 @@
     "healthScheme": "Método",
     "healthSelectScheme": "Selecione o Método",
     "healthCheckPortInvalid": "A porta deve estar entre 1 e 65535",
+    "healthCheckHostnameInvalid": "Hostname must not contain whitespace",
     "healthCheckPath": "Caminho",
     "healthHostname": "IP / Nome do Host",
     "healthPort": "Porta",