Update src/frontend/src/content/docs/get-started/dev-containers.mdx

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: IEvangelist

src/frontend/src/content/docs/get-started/dev-containers.mdx

@@ -57,7 +57,7 @@ To configure Dev Containers in Visual Studio Code, use the `.devcontainer/devcon
      alt="Screenshot showing the dev container build completed notification in VS Code."
    />
 
-1. Open a new terminal window in Visual Studio Code (<Kbd windows='Ctrl+Shift+\' mac='Cmd+Shift+\' />) and create a new Aspire project using the Aspire CLI.
+1. Open a new terminal window in Visual Studio Code (<Kbd windows='Ctrl+Shift+\\' mac='Cmd+Shift+\\' />) and create a new Aspire project using the Aspire CLI.
 
     ```bash title="Aspire CLI — Create an Aspire starter app"
     aspire new aspire-starter --name HelloAspire