diff --git a/front/php/templates/language/es_es.json b/front/php/templates/language/es_es.json
index 801859fc..5ce27e4c 100755
--- a/front/php/templates/language/es_es.json
+++ b/front/php/templates/language/es_es.json
@@ -138,6 +138,9 @@
         "DevDetail_Shortcut_DownAlerts" : "Alerta(s) de caída(s)",
         "DevDetail_Tab_Details" : "<i class=\"fa fa-info-circle\"></i> Detalles",
         "DevDetail_Tab_Tools": "<i class=\"fa fa-screwdriver-wrench\"></i> Herramientas",
+        "DevDetail_Tab_Tools_Mtr_Title": "Mtr",
+        "DevDetail_Tab_Tools_Mtr_Start": "Iniciar Mtr",
+        "DevDetail_Tab_Tools_Mtr_Error": "Error: la dirección IP no es válida",
         "DevDetail_Tab_Tools_Nslookup_Title": "Nslookup",
         "DevDetail_Tab_Tools_Nslookup_Start": "Iniciar Nslookup",
         "DevDetail_Tab_Tools_Nslookup_Error": "Error: la dirección IP no es válida",