diff --git a/doc.zih.tu-dresden.de/docs/contrib/content_rules.md b/doc.zih.tu-dresden.de/docs/contrib/content_rules.md
index 20eff18d2ab6aa721687ec08f9aaace736b57a6e..3fcbe43d50e5fe7474227b0aa8c1f356e07428e6 100644
--- a/doc.zih.tu-dresden.de/docs/contrib/content_rules.md
+++ b/doc.zih.tu-dresden.de/docs/contrib/content_rules.md
@@ -149,7 +149,11 @@ Save attachments within the `misc` subdirectory of the corresponding section.
     [<description>](misc/<attachment_name>.pdf)
     ```
 
-    Since the `<descripton>` is rendered as link text, you should choose a clear and precise text.
+    Since the `<description>` is rendered as link text, you should choose a clear and precise text:
+
+    ```markdown
+    [slides of HPC introduction](misc/HPC-Introduction.pdf)
+    ```
 
 #### Graphics and Videos