diff --git a/website/content/api-docs/secret/databases/mssql.mdx b/website/content/api-docs/secret/databases/mssql.mdx
index 482f091291a5..d052aed4695d 100644
--- a/website/content/api-docs/secret/databases/mssql.mdx
+++ b/website/content/api-docs/secret/databases/mssql.mdx
@@ -47,6 +47,10 @@ has a number of parameters to further configure a connection.
 - `username_template` `(string)` - [Template](/docs/concepts/username-templating) describing how
   dynamic usernames are generated.
 
+- `contained_db` `(bool: false)` - If set, specifies that the connection being configured is to a
+  [Contained Database](https://docs.microsoft.com/en-us/sql/relational-databases/databases/contained-databases?view=sql-server-ver15), like AzureSQL.
+
+
 <details>
 <summary><b>Default Username Template</b></summary>