diff --git a/examples/concept.html b/examples/concept.html
index 3432208..e359a7b 100644
--- a/examples/concept.html
+++ b/examples/concept.html
@@ -91,14 +91,11 @@
-
+
-
-
+ src="https://maps.googleapis.com/maps/api/js?v=3.21&key=AIzaSyCXIGZ41A54812NVcfTIuFS2mQUK-9JYeg">
-
+