diff --git a/content/tutorial/common/src/app.html b/content/tutorial/common/src/app.html
index 4dba4f2d1..d904c3713 100644
--- a/content/tutorial/common/src/app.html
+++ b/content/tutorial/common/src/app.html
@@ -183,7 +183,7 @@
 				margin-top: 0;
 			}
 
-			progress:lsat-child {
+			progress:last-child {
 				margin-bottom: 0;
 			}