diff --git a/docs/_layouts/default.html b/docs/_layouts/default.html
index be2452db..3fca61b1 100644
--- a/docs/_layouts/default.html
+++ b/docs/_layouts/default.html
@@ -18,6 +18,7 @@
     <link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/styles/dark.min.css" media="(prefers-color-scheme: dark)">
     <script src="//cdnjs.cloudflare.com/ajax/libs/highlight.js/11.11.1/highlight.min.js"></script>
     <script src="//cdnjs.cloudflare.com/ajax/libs/highlight.js/11.11.1/languages/plaintext.min.js"></script>
+    <script type="text/javascript" src="https://unpkg.com/highlightjs-opl/dist/opl.min.js"></script>
     <script>
         hljs.highlightAll();
     </script>
diff --git a/docs/docs/cli/runopo/index.md b/docs/docs/cli/runopo/index.md
index 0f3861cd..a7c9e9ff 100644
--- a/docs/docs/cli/runopo/index.md
+++ b/docs/docs/cli/runopo/index.md
@@ -14,6 +14,18 @@ Run OPL programs on the command line. This is only suitable for simple programs
 
 # Example
 
+```opl
+PROC test:
+    PRINT "hello world"
+    wat:
+    GET
+ENDP
+
+PROC wat:
+    PRINT "Waaaat"
+ENDP
+```
+
 [simple.txt](https://github.com/inseven/opolua/blob/main/examples/Tests/simple.txt) compiled on a Psion Series 5:
 
 ```plaintext