diff --git a/docs/adding-ui-elements.md b/docs/adding-ui-elements.md
index 97ef4b6ae..727631d6a 100644
--- a/docs/adding-ui-elements.md
+++ b/docs/adding-ui-elements.md
@@ -145,7 +145,7 @@ lightbox.init();
 ```
 
 ```css pswpcode
-button.pswp__button--test-button {
+button.pswp__button--download-button {
   background: #136912 !important;
   font-size: 20px;
   color: #fff;
@@ -293,4 +293,4 @@ All default buttons and elements also use this syntax, so you can look up more e
 
 If you need to override or slightly adjust existing buttons - feel free to use [`uiElement` filter](/filters#uielement).
 
-`registerElement` is not the only method to add various UI elements, it's just an optional shortcut. Feel free to append elements manually.
\ No newline at end of file
+`registerElement` is not the only method to add various UI elements, it's just an optional shortcut. Feel free to append elements manually.