diff --git a/.vscode/launch.json b/.vscode/launch.json
index 99cf789..f5651b1 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -2,6 +2,7 @@
   // Use IntelliSense to learn about possible attributes.
   // Hover to view descriptions of existing attributes.
   // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+  // fix #40
   "version": "0.2.0",
   "configurations": [
     {