diff --git a/TipsWebdesign.md b/TipsWebdesign.md
index 78b24b5a..e076af4e 100644
--- a/TipsWebdesign.md
+++ b/TipsWebdesign.md
@@ -4,4 +4,4 @@
 
 <http://browsershots.org>
 
-<https://www.w3.org/TR/html5/>
\ No newline at end of file
+<https://www.w3.org/TR/html51/>
\ No newline at end of file