typos

Author: doublefint

readme.md

@@ -25,7 +25,7 @@ Features
 Notes
 -----
 
-[Visual Stidio Marketplace](https://marketplace.visualstudio.com/items?itemName=doublefint.vscode-cos)
+[Visual Studio Marketplace](https://marketplace.visualstudio.com/items?itemName=doublefint.vscode-cos)
 
 For Caché instance with maximum security level, add '%Development' role for '/api/atelier/' web-application ( [More]( https://community.intersystems.com/post/using-atelier-rest-api) )