Update IDESupport.md

packages/foundations/docs/IDESupport.md

@@ -40,6 +40,6 @@ You can enable auto-complete of CSS classes (like e.g. `db-container-color-cyan`
   ]
 }
 ````
-5. Go to a `.css` file and write inside a selector `color: db-`. You should see the autocomplete for css properties. By pressing enter this will automatically add `var(--db-xxx)`.
+4. Go to a `.css` file and write inside a selector `color: db-`. You should see the autocomplete for css properties. By pressing enter this will automatically add `var(--db-xxx)`.
 
 > **Note:** We couldn't find a good extension to work properly with the classes you could check [this](https://marketplace.visualstudio.com/items?itemName=gencer.html-slim-scss-css-class-completion). But we encountered some issues here.