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 3fcbe43d50e5fe7474227b0aa8c1f356e07428e6..3d3aeeb94874bf2ef27ece81061036aa3069122e 100644
--- a/doc.zih.tu-dresden.de/docs/contrib/content_rules.md
+++ b/doc.zih.tu-dresden.de/docs/contrib/content_rules.md
@@ -146,7 +146,7 @@ Save attachments within the `misc` subdirectory of the corresponding section.
     subdirectory, you can refer to it as local file.
 
     ```markdown
-    [<description>](misc/<attachment_name>.pdf)
+    [<description>](misc/<attachment_file_name>)
     ```
 
     Since the `<description>` is rendered as link text, you should choose a clear and precise text: