Use better word

"Differently" → adverb; "Different" → adjective

wiki/src/doc/advanced_topics/boot_options.mdwn

@@ -35,8 +35,8 @@ logo and 2 options: 'Tails' and 'Tails (Troubleshooting Mode)'."]]
 
 <div class="note">
 
-<p>If your Boot Loader looks differently, refer to our instructions on
-adding a boot option [[using GRUB|boot_options#grub]] below.</p>
+<p>If your Boot Loader looks different, refer to our instructions below on
+adding a boot option [[using GRUB|boot_options#grub]].</p>
 
 </div>