Update docs/troubleshooting.mdx

Modify appName syntax for better coding norm

Co-authored-by: Gauthier <[email protected]>

Author: tirrorex

docs/troubleshooting.mdx

@@ -193,7 +193,7 @@ If this command fails (which is unlikely), use this equivalent:
     ```bash
     pihole pihole -f && pihole restartdns
     ```
-5. Then restart your serr instance and try to enable the web push notifications again.
+5. Then restart your Seerr instance and try to enable the web push notifications again.
 
 
 ### Option 2: You are using Brave browser