diff --git a/README.adoc b/README.adoc
index 4b272be..22c8b36 100644
--- a/README.adoc
+++ b/README.adoc
@@ -41,7 +41,7 @@ toc::[]
 
 == Screencast
 
-[link=https://www.alchemists.io/screencasts/mac_o_s.html]
+[link=https://www.alchemists.io/screencasts/mac_o_s]
 image::https://www.alchemists.io/images/screencasts/mac_o_s/cover-original.png[Screencast,role=focal_point]
 
 == Requirements