diff --git a/exampleSite/config.toml b/exampleSite/config.toml
index 553bc8f..d7827de 100644
--- a/exampleSite/config.toml
+++ b/exampleSite/config.toml
@@ -96,3 +96,9 @@ series = "series"
 
   [services.twitter]
     disableInlineCSS = true
+
+[markup]
+  [markup.goldmark]
+    [markup.goldmark.renderer]
+      # needed to render raw HTML (e.g. <sub>, <sup>, <kbd>, <mark>)
+      unsafe = true