diff --git a/ckanext/charts/chart_builders/plotly.py b/ckanext/charts/chart_builders/plotly.py
index ca14162..17d7f04 100644
--- a/ckanext/charts/chart_builders/plotly.py
+++ b/ckanext/charts/chart_builders/plotly.py
@@ -194,11 +194,15 @@ def title_field(self) -> dict[str, Any]:
 
     def description_field(self) -> dict[str, Any]:
         return {
-            "field_name": "notes",
+            "field_name": "description",
             "label": "Description",
             "form_snippet": "markdown.html",
             "form_placeholder": "Information about my view",
             "group": "General",
+            "validators": [
+                self.get_validator("ignore_empty"),
+                self.get_validator("unicode_safe"),
+            ],
         }
 
     def engine_field(self) -> dict[str, Any]: