Documentation of unk field

src/match_call.c

@@ -1335,7 +1335,7 @@ static void InitMatchCallTextPrinter(int windowId, const u8 *str)
     printerTemplate.currentY = 1;
     printerTemplate.letterSpacing = 0;
     printerTemplate.lineSpacing = 0;
-    printerTemplate.unk = 0;
+    printerTemplate.style = 0;
     printerTemplate.fgColor = 10;
     printerTemplate.bgColor = 8;
     printerTemplate.shadowColor = 14;