fix: add space

docs/getting-started/index.mdx

@@ -165,7 +165,7 @@ While this guide gets you started with ngrok, you might want your tunnel to keep
 
 - Systemd service (Linux): For systemd-based systems, you can create a systemd service to automatically start and manage ngrok. Refer to the documentation for [Systemd service creation](/agent/#background-service).
 - Windows service (Windows): For Windows systems, you can create a Windows service to automatically start and manage ngrok. Refer to the documentation for [Background Service](/agent/#background-service).
-- Detaching a Tmux session (optional): If you're familiar with Tmux, you can detach your ngrok session from your terminal window. (Note: This is an advanced option).Refer to a guide on using [Tmux](https://www.digitalocean.com/community/tutorials/how-to-configure-tmux-on-a-cloud-server) for more information:
+- Detaching a Tmux session (optional): If you're familiar with Tmux, you can detach your ngrok session from your terminal window. (Note: This is an advanced option). Refer to a guide on using [Tmux](https://www.digitalocean.com/community/tutorials/how-to-configure-tmux-on-a-cloud-server) for more information:
 
 ## What's next?