fix warning

Author: AndreiKingsley

docs/StardustDocs/topics/setup/SetupKotlinNotebook.md

@@ -71,13 +71,12 @@ You can explicitly define the version you want:
 Or use the latest stable version of Kotlin DataFrame
 (specified in [Kotlin Jupyter descriptors](https://github.com/Kotlin/kotlin-jupyter-libraries)):
 
-<warning>
-For version `1.0.0-Beta3`, in notebooks use version `1.0.0-Beta3n` instead.
-This uses the patch of [#1435](https://github.com/Kotlin/dataframe/pull/1435) for issue 
-[#1116](https://github.com/Kotlin/dataframe/issues/1116), avoiding `DefinitelyNotNullable` errors.
-
-When using `%use dataframe` this version is applied automatically.
-</warning>
+> For version `1.0.0-Beta3`, in notebooks use version `1.0.0-Beta3n` instead.
+> This uses the patch of [#1435](https://github.com/Kotlin/dataframe/pull/1435) for issue 
+> [#1116](https://github.com/Kotlin/dataframe/issues/1116), avoiding `DefinitelyNotNullable` errors.
+>
+> When using `%use dataframe` this version is applied automatically.
+> {style="warning"}
 
 ```
 %useLatestDescriptors