diff --git a/epub-copyright.xhtml b/epub-copyright.xhtml
index 8f12797..3b66875 100644
--- a/epub-copyright.xhtml
+++ b/epub-copyright.xhtml
@@ -10,7 +10,7 @@
     <link rel="stylesheet" type="text/css" href="_static/custom.css" />
     <link rel="stylesheet" type="text/css" href="_static/custom_epub.css" /> 
   </head><body>
-  <p>Edition 0.1 first published 2018<br>
+  <p>Edition 0.1 first published 2018<br/>
     Edition 0.2 first published 2021</p>
   <p><a href="https://yingtongli.me/pointsoforder">https://yingtongli.me/pointsoforder</a></p>
   <p>Copyright © 2021 Lee Yingtong Li. You may use this book, at your option, under either of the following licences:
