Improved the recently added translations for es_ES

lang/es_ES.json

@@ -6,13 +6,20 @@
     "Hours" : "Horas",
     "Minutes" : "Minutos",
     "Enabled" : "Activados",
-    "New Alarm" : "Alarma nueva",
-    "Save" : "Grabar",
-    "Back" : "Atrás",
+    "Save" : "Ahorrar",
+    "Back" : "Regresa",
     "Repeat" : "Repetición",
     "Delete" : "Borrar",
     "ALARM!" : "ALARM",
-    "Sleep" : "Dormir"
+    "Sleep" : "Dormir",
+    "Alarms" : "Alarmas",
+    "New Alarm" : "Nueva alarma",
+    "ALARM!" : "ALARM!",
+    "Yes" : "Si",
+    "No" : "No",
+    "On" : "Encendido",
+    "Off" : "Apagado",
+    "Ok" : "OK"
   },
   "alarm": {
     "//":"App-specific overrides",