add link to forecast.io register page

caiyunapp · Apr 9, 2016 · b1e3711 · b1e3711
1 parent e4e9a6e
commit b1e3711
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/backends/forecast.io.go b/backends/forecast.io.go
@@ -157,7 +157,7 @@ func (c *forecastConfig) Fetch(location string, numdays int) iface.Data {
 	var ret iface.Data
 
 	if len(c.apiKey) == 0 {
-		log.Fatal("No forecast.io API key specified.")
+		log.Fatal("No forecast.io API key specified. You have to register for one at https://developer.forecast.io/register")
 	}
 	requri := fmt.Sprintf(forecastWuri, c.apiKey, location, c.language)