diff --git a/docs/conf.py b/docs/conf.py
index 72ce0bc64..5758a4fb2 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -61,6 +61,7 @@
 napoleon_use_rtype = True  # having a separate entry generally helps readability
 napoleon_use_param = True
 napoleon_custom_sections = [("Params", "Parameters")]
+typehints_defaults = "braces"
 todo_include_todos = False
 nitpicky = True  # Report broken links
 nitpick_ignore = [