Slightly reword MIDI permission dialogs

webapp/src/lib/layouts/dialog/PermissionDeniedDialog.svelte

@@ -19,8 +19,8 @@ let { open }: Props = $props()
           We detected that we are denied MIDI access. This means this tool cannot function properly.
         </p>
         <p>
-          To use this tool, you will need to grant us MIDI permission manually in your browser
-          settings, and then reload this page.
+          If you think your browser and system support Web MIDI, you might need to grant us MIDI
+          permission manually in your browser settings, and then reload this page.
         </p>
       </AlertDialog.Description>
     </AlertDialog.Content>

webapp/src/lib/layouts/dialog/PermissionRequestDialog.svelte

@@ -18,7 +18,7 @@ const midiCtx = getMidiContext()
       <AlertDialog.Title>MIDI permission needed</AlertDialog.Title>
 
       <AlertDialog.Description class="stack gap-2">
-        <p>Write to Inkclip uses the Web MIDI API to talk to your devices.</p>
+        <p>Write to Inkclip uses the Web MIDI API to talk to your device.</p>
         <p>
           Click on "I understand", and then follow your browser's prompt to grant us permission.
         </p>