diff --git a/backend/src/providers/FirecrackerProvider.ts b/backend/src/providers/FirecrackerProvider.ts
index 2697396..303c78d 100644
--- a/backend/src/providers/FirecrackerProvider.ts
+++ b/backend/src/providers/FirecrackerProvider.ts
@@ -660,6 +660,7 @@ export default class FirecrackerProvider implements InstanceProvider {
       if (vmEndpoint !== undefined && fc !== undefined && fi !== undefined) {
         // wait for stop tasks to end
         await providerInstance.sleep(1000);
+        // https://github.com/firecracker-microvm/firecracker/blob/main/docs/api_requests/actions.md#send-ctrlaltdel
         await fc.microVM
         .invokeAction("SendCtrlAltDel")
         .then(async () => {