Hotfix for Disk Burner Examine (#1656)

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# Description

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Had an aneurysm seeing this live on arcadis and webedited a fix. Fixes
an issue on examining a disk burner without a board.

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# Changelog

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no

Signed-off-by: Eris <[email protected]>

Content.Shared/_Arcadis/Computer/DiskBurnerSystem.cs

@@ -87,7 +87,7 @@ private void OnExamined(EntityUid uid, DiskBurnerComponent component, ExaminedEv
                 missing.Add("disk");
 
             if (boardSlot.Item is null)
-                missing.Add("or");
+                missing.Add("board");
 
             args.PushMarkup(Loc.GetString("disk-burner-missing", ("missing", string.Join(", or ", missing))));
             return;