diff --git a/swarmsim-coffee/app/views/changelog.html b/swarmsim-coffee/app/views/changelog.html
index bd2590f5..52acc408 100644
--- a/swarmsim-coffee/app/views/changelog.html
+++ b/swarmsim-coffee/app/views/changelog.html
@@ -27,7 +27,7 @@ <h4 class="panel-title">
     </div>
     <div id="changelog11x" class="panel-collapse collapse in">
 <div class="panel-body">
-  <h4>1.1.16<span>2023/6/20</span></h4>
+  <h4>1.1.16<span>2023/06/20</span></h4>
   <ul>
     <li>Removed all links to the community website.</li>
     <ul>