Fix comment typo
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@ -117,7 +117,7 @@ void HardwareSerial::begin(unsigned long baud, byte config)
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baud_setting = (F_CPU / 8 / baud - 1) / 2;
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}
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// assign the baud_setting, a.k.a. ubbr (USART Baud Rate Register)
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// assign the baud_setting, a.k.a. ubrr (USART Baud Rate Register)
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*_ubrrh = baud_setting >> 8;
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*_ubrrl = baud_setting;
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