convert text into note

Author: timdeschryver

docs/csharp/linq/includes/data-sources-definition.md

@@ -5,10 +5,9 @@ ms.topic: include
 ms.date: 10/04/2024
 ---
 
-The following examples in this article use the common data sources for this area:
+> [!NOTE]
+> The following examples in this article use the common data sources for this area.  
+> Each `Student` has a grade level, a primary department, and a series of scores. A `Teacher` also has a `City` property that identifies the campus where the teacher holds classes. A `Department` has a name, and a reference to a `Teacher` who serves as the department head.  
+> You can find the example data set in the [source repo](https://github.com/dotnet/docs/blob/main/docs/csharp/linq/standard-query-operators/snippets/standard-query-operators/DataSources.cs#L41).
 
 :::code language="csharp" source="../standard-query-operators/snippets/standard-query-operators/DataSources.cs" id="QueryDataSource":::
-
-Each `Student` has a grade level, a primary department, and a series of scores. A `Teacher` also has a `City` property that identifies the campus where the teacher holds classes. A `Department` has a name, and a reference to a `Teacher` who serves as the department head.
-
-You can find the data set in the [source repo](https://github.com/dotnet/docs/blob/main/docs/csharp/linq/standard-query-operators/snippets/standard-query-operators/DataSources.cs#L41).