🌐 adjusting the Playground sample

Author: igorkulman

Playground.playground/Contents.swift

@@ -20,7 +20,7 @@ let program =
 
     function Factorial(number: Integer): Integer;
     begin
-    if (number > 1) then
+    if number > 1 then
         Factorial := number * Factorial(number-1)
     else
         Factorial := 1