Cleanup some docs in the weather modules

modules/default/weather/providers/openweathermap.js

@@ -18,10 +18,10 @@ WeatherProvider.register("openweathermap", {
 	defaults: {
 		apiVersion: "2.5",
 		apiBase: "https://api.openweathermap.org/data/",
-		weatherEndpoint: "",
+		weatherEndpoint: "", // can be "onecall", "forecast" or "weather" (for current)
 		locationID: false,
 		location: false,
-		lat: 0,
+		lat: 0, // the onecall endpoint needs lat / lon values, it doesn'T support the locationId
 		lon: 0,
 		apiKey: ""
 	},