diff --git a/Ex3_Box model and positioning/3-5/default.html b/Ex3_Box model and positioning/3-5/default.html
index 74df642..61b89e3 100644
--- a/Ex3_Box model and positioning/3-5/default.html	
+++ b/Ex3_Box model and positioning/3-5/default.html	
@@ -18,7 +18,7 @@
 <body>
     <h1>h has block property. But go to inline.</h1>
     <p>p has block property. But go to inline-block</p>
-    <a>a has inline propery. But go to block.</a>
+    <a href="#">a has inline propery. But go to block.</a>
     <span>span has inline property</span>
 </body>
 </html>
\ No newline at end of file
