diff --git a/.vscode/extensions.json b/.vscode/extensions.json
index 8057bc7..5c5735c 100644
--- a/.vscode/extensions.json
+++ b/.vscode/extensions.json
@@ -1,4 +1,6 @@
 {
+    // See http://go.microsoft.com/fwlink/?LinkId=827846
+    // for the documentation about the extensions.json format
     "recommendations": [
         "pioarduino.pioarduino-ide",
         "platformio.platformio-ide"