diff --git a/src/tzst/cli.py b/src/tzst/cli.py
index a762a91..b55c504 100644
--- a/src/tzst/cli.py
+++ b/src/tzst/cli.py
@@ -724,7 +724,7 @@ security note:
   never use --filter=fully_trusted unless you completely trust the archive source
 
 documentation:
-  https://github.com/xixu-me/tzst#readme
+  https://tzst.xi-xu.me
 """
     parser = argparse.ArgumentParser(
         prog="tzst",