Clarify VS Code web vs vscode.dev in bug template

Author: code-asher

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -89,7 +89,7 @@ body:
   - type: dropdown
     attributes:
       label: Does this bug reproduce in VS Code web?
-      description: If the bug reproduces in VS Code web, submit the issue upstream instead (https://github.com/microsoft/vscode). You can run VS Code web with `code serve-web`.
+      description: If the bug reproduces in VS Code web, submit the issue upstream instead (https://github.com/microsoft/vscode). You can run VS Code web with `code serve-web` (this is not the same as vscode.dev).
       options:
         - Yes, this is also broken in VS Code web
         - No, this works as expected in VS Code web