diff --git a/docs/howto_guides/asdf_warnings.rst b/docs/howto_guides/asdf_warnings.rst
index ba3d9b54..6b94c495 100644
--- a/docs/howto_guides/asdf_warnings.rst
+++ b/docs/howto_guides/asdf_warnings.rst
@@ -1,4 +1,4 @@
-.. _dkist:howto-guide:asdf-warnings
+.. _dkist:howto-guide:asdf-warnings:
 
 Understand version warnings when loading ASDFs
 ==============================================