From a437d1210c9b67e5723db837cf1fab8a70fe6f04 Mon Sep 17 00:00:00 2001
From: eric <eric@hellman.net>
Date: Mon, 2 Dec 2019 09:06:51 -0500
Subject: [PATCH] fix build

---
 free-programming-playgrounds.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/free-programming-playgrounds.md b/free-programming-playgrounds.md
index 4e6e87526..572989f57 100644
--- a/free-programming-playgrounds.md
+++ b/free-programming-playgrounds.md
@@ -28,7 +28,7 @@
 ### Angular
 
 * [Plunker](http://plnkr.co)
-* [StackBlitz](https://stackblitz.com/)
+* [StackBlitz](https://stackblitz.com)
 
 
 ### ClojureScript