diff --git a/docs/_docs/extras.md b/docs/_docs/extras.md
index e79b9e90..7a826802 100644
--- a/docs/_docs/extras.md
+++ b/docs/_docs/extras.md
@@ -11,7 +11,7 @@ may want to install, depending on how you plan to use Jekyll.
 Register your site with [txtpen](https://txtpen.com). Then append 
 
 ```html
-    <script src="https://txtpen.com/embed.js?site=<your site name>" />
+<script src="https://txtpen.com/embed.js?site=<your site name>"></script>
 ```
 
 to your template files in `/_layout` folder.