diff --git a/mkdocs.yaml b/mkdocs.yaml
index 2b927c5..44ef89c 100644
--- a/mkdocs.yaml
+++ b/mkdocs.yaml
@@ -30,8 +30,11 @@ plugins:
       handlers:
         python:
           options:
+            line_length: 80
             show_source: false
             show_root_toc_entry: false
+            separate_signature: true
+            show_signature_annotations: true
           import:
             - https://marshmallow.readthedocs.io/en/stable/objects.inv