diff --git a/scripts/blog.py b/scripts/blog.py
index 615f92c..fed664f 100755
--- a/scripts/blog.py
+++ b/scripts/blog.py
@@ -889,14 +889,23 @@ def keywords(post: dict[str, typing.Any]) -> int:
 def help(_: dict[str, typing.Any]) -> int:
     """print help"""
 
-    return llog(
-        "\n\n"
-        + "\n".join(
+    print(
+        "\n".join(
             f"{cmd} -- {fn.__doc__ or 'no help provided'}"
             for cmd, fn in cmds.commands.items()
         )
     )
 
+    print(
+        """
+Custom markdown extensions (besides the well-known ones):
+
+* Titlelink: <#:Your Header Title> - links to a header
+* Media embed: <@:e3b0c4429...> - embeds media"""
+    )
+
+    return OK
+
 
 @cmds.new
 def sort(config: dict[str, typing.Any]) -> int: