Add line for experimental debugger

Kraig Brockschmidt · Kraig Brockschmidt · commit 43db20ec3dc5 · 2018-02-27T14:06:16.000-08:00
diff --git a/docs/python/debugging.md b/docs/python/debugging.md
@@ -26,6 +26,8 @@ The default `launch.json` (which is where VS Code stores the debugger configurat
 
 Additional configurations are described in [Debugging specific app types](#debugging-specific-app-types).
 
+>**Note:** If you'd like to try the new experimental debugger, see the instructions on [Issue 538](https://github.com/Microsoft/vscode-python/issues/538) (GitHub).
+
 ## Standard configuration and options
 
 Standard configuration for `launch.json`:
