diff --git a/content/blog/css-only-code-blocks/index.rst b/content/blog/css-only-code-blocks/index.rst
index 18f3037..c9dc2fe 100644
--- a/content/blog/css-only-code-blocks/index.rst
+++ b/content/blog/css-only-code-blocks/index.rst
@@ -32,7 +32,7 @@ HTML for a code block then looks like this:
         <!-- ... repeat once for each source line. -->
     </pre>
 
-You can find the (rather short) source of the ``rst2html`` wrapper `below <rst2html_wrapper>`_.
+You can find the (rather short) source of the ``rst2html`` wrapper `below <#rst2html-wrapper>`_.
 
 The CSS
 -------