ssloth-browser: remove unnecessary double quote

Author: lifehackerhansol

docs/installing-boot9strap-(ssloth-browser).md

@@ -55,7 +55,7 @@ In this section, you will visit the browser exploit webpage, which will use univ
 1. On the HOME Menu, press the Left and Right shoulder buttons at the same time to open the camera
     + If you are unable to open the camera, open the Internet Browser and manually type the URL instead (`https://zoogie.github.io/web/nbhax/`)
 1. Tap the QR code button and scan [this QR code](http://api.qrserver.com/v1/create-qr-code/?color=000000&bgcolor=FFFFFF&data=https%3A%2F%2Fzoogie.github.io%2Fweb%2Fnbhax&qzone=1&margin=0&size=400x400&ecc=L)
-    + When you get a prompt with error code ``012-1511``, press (A) to allow the connection
+    + When you get a prompt with error code `012-1511`, press (A) to allow the connection
     + If you get a crash or a different error code, [follow this troubleshooting guide](troubleshooting-ssloth-browser)
 
     ::: danger