diff --git a/docs/index.html b/docs/index.html
index 00ed7a99..5b286061 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -100,6 +100,8 @@
     <script src="https://unpkg.com/docsify/lib/plugins/zoom-image.min.js"></script>
     <script src="https://unpkg.com/prismjs/components/prism-bash.min.js"></script>
     <script src="https://unpkg.com/prismjs/components/prism-python.min.js"></script>
+    <script src="https://unpkg.com/prismjs/components/prism-c.min.js"></script>
+    <script src="https://unpkg.com/prismjs/components/prism-cpp.min.js"></script>
     <script src="https://unpkg.com/prismjs/components/prism-arduino.min.js"></script>
 </body>
 </html>