Update README.md

Author: nuxodin

README.md

@@ -47,5 +47,5 @@ Webkit: http://trac.webkit.org/browser/trunk/Source/WebCore/css/html.css
 Firefox: https://searchfox.org/mozilla-central/source/layout/style/res/html.css
 
 ## Demo
-https://raw.githack.com/u1ui/norm.css/main/tests/index.html  
+https://raw.githack.com/u1ui/norm.css/main/tests/test.html