diff --git a/website/docs/reference/resource-configs/updated_at.md b/website/docs/reference/resource-configs/updated_at.md
index 896405bf063..69abb463842 100644
--- a/website/docs/reference/resource-configs/updated_at.md
+++ b/website/docs/reference/resource-configs/updated_at.md
@@ -27,6 +27,12 @@ snapshots:
 
 </File>
 
+:::caution
+
+You will get a warning if the data type of the `updated_at` column does not match the adapter-configured default.
+
+:::
+
 ## Description
 A column within the results of your snapshot query that represents when the record row was last updated.