Silencing JSON comment errors (#34825)

Author: guardrex

aspnetcore/fundamentals/configuration/index.md

@@ -138,6 +138,16 @@ Using the [default](#default) configuration, the `appsettings.json` and `appsett
 
 Comments in `appsettings.json` and `appsettings.{Environment}.json` files are supported using JavaScript or [C# style comments](/dotnet/csharp/language-reference/tokens/comments).
 
+Some integrated development environments (IDE) display errors when editing a JSON file that contains comments. You can generally ignore comment errors and warnings, but you can also usually disable them with a setting in the IDE. In Visual Studio Code, for example, add the following to the `settings.json` file to disable the errors:
+
+```json
+"files.associations": {
+  "appsettings*.json": "jsonc"
+}
+```
+
+For other IDEs, check the tool's documentation and other product support channels to determine how to silence the errors.
+
 <a name="optpat"></a>
 
 ### Bind hierarchical configuration data using the options pattern