diff --git a/knowledge-base/indicate-the-editor-type-in-radgridview-columns.md b/knowledge-base/indicate-the-editor-type-in-radgridview-columns.md
index 5f21ccaad..5f912099b 100644
--- a/knowledge-base/indicate-the-editor-type-in-radgridview-columns.md
+++ b/knowledge-base/indicate-the-editor-type-in-radgridview-columns.md
@@ -8,6 +8,12 @@ tags: gridview, editor, type, columns, comboboxcolumn
 res_type: kb
 ---
 
+## Environment
+
+|Product Version|Product|Author|
+|----|----|----|
+|2021.2.511|RadGridView for WinForms|[Desislava Yordanova](https://www.telerik.com/blogs/author/desislava-yordanova)|
+
 ## Problem   
  You want to indicate the column type when the grid is first shown. For example, if you have **GridViewComboBoxColumn** you will want the user to know that he or she can choose from a list of predefined items.  
  
@@ -211,4 +217,4 @@ End Class
 
 ````
 
-Nevertheless, keep in mind that this approach can be easily adopted for other column types by changing the inherited column and the styles of the indicator (other element can be used as well). In the sample projects [here](https://github.com/telerik/winforms-sdk/tree/master/GridView/GridViewIndicatedColumns) you can find a sample implementation for all columns that can have visible editors. 
\ No newline at end of file
+Nevertheless, keep in mind that this approach can be easily adopted for other column types by changing the inherited column and the styles of the indicator (other element can be used as well). In the sample projects [here](https://github.com/telerik/winforms-sdk/tree/master/GridView/GridViewIndicatedColumns) you can find a sample implementation for all columns that can have visible editors.