diff --git a/explore-analyze/find-and-organize/data-views.md b/explore-analyze/find-and-organize/data-views.md
index 4ed0d024a..23b69066e 100644
--- a/explore-analyze/find-and-organize/data-views.md
+++ b/explore-analyze/find-and-organize/data-views.md
@@ -219,6 +219,10 @@ To add runtime fields to your data views, open the data view you want to change,
 
 7. Click **Create field**.
 
+:::{warning}
+Runtime fields created against a data view are not applied to the underlying index mapping in {{es}}.
+:::
+
 
 #### Runtime field examples [runtime-field-examples]