diff --git a/assets/images/scritta-h.jpg b/assets/images/scritta-h.jpg
new file mode 100644
index 0000000..979c7d9
Binary files /dev/null and b/assets/images/scritta-h.jpg differ
diff --git a/assets/images/scritta-t-mini.jpg b/assets/images/scritta-t-mini.jpg
new file mode 100644
index 0000000..11d197a
Binary files /dev/null and b/assets/images/scritta-t-mini.jpg differ
diff --git a/assets/images/scritta-t.jpg b/assets/images/scritta-t.jpg
new file mode 100644
index 0000000..b10289a
Binary files /dev/null and b/assets/images/scritta-t.jpg differ
diff --git a/auth.go b/auth.go
index b612989..d2268d3 100644
--- a/auth.go
+++ b/auth.go
@@ -27,7 +27,7 @@ func NewAuthenticationService(url string) (*AuthenticationService, error) {
 	status, _ := ioutil.ReadAll(res.Body)
 
 	if string(status) != "online" {
-		log.Fatal("Authentication service isn't online, status: '%s'", status)
+		log.Fatalf("Authentication service isn't online, status: '%s'", status)
 	}
 
 	return service, nil