Fixed empty link in extending (#1507)
diff --git a/extending.html b/extending.html
index 11c647f..59101b6 100644
--- a/extending.html
+++ b/extending.html
@@ -137,7 +137,7 @@
}
});</code></pre>
<p>Of course, to understand which hooks to use you would have to read Prism’s source. Imagine where you would add your code and then find the appropriate hook.
- If there is no hook you can use, you may <a href="">request one to be added</a>, detailing why you need it there.
+ If there is no hook you can use, you may <a href="https://github.com/PrismJS/prism/issues">request one to be added</a>, detailing why you need it there.
</section>
<section id="api">