diff --git a/vizro-core/src/vizro/models/types.py b/vizro-core/src/vizro/models/types.py
index d5cbbdfbc..21b30d04f 100644
--- a/vizro-core/src/vizro/models/types.py
+++ b/vizro-core/src/vizro/models/types.py
@@ -315,4 +315,7 @@ class OptionsDictType(TypedDict):
 ]
 """Permissible value types for page attribute. Values are displayed as default."""
 
-NavSelectorType = Annotated[Union["Accordion", "NavBar"], Field(discriminator="type", description="...")]
+NavSelectorType = Annotated[
+    Union["Accordion", "NavBar"],
+    Field(discriminator="type", description="Component that makes up part of the navigation panel"),
+]