changes per additional reviewer suggestions

Author: tcfranks

adafruit_pcf8591/analog_out.py

@@ -40,7 +40,7 @@ def __init__(self, pcf: PCF8591, dac_pin: int = 0) -> None:
         """AnalogIn
 
         :param pcf: The pcf object.
-        :param int pin: Required pin must be A0
+        :param adafruit_pcf8591.pcf8591.A0 pin: Required pin must be A0
 
         """
         self._pcf = pcf

adafruit_pcf8591/pcf8591.py

@@ -100,7 +100,7 @@ def _half_read(self, channel: Literal[0, 1, 2, 3]) -> None:
     def read(self, channel: Literal[0, 1, 2, 3]) -> None:
         """Read an analog value from one of the four ADC inputs
 
-        param: int channel The single-ended ADC channel to read from, 0 thru 3
+        param: int channel: The single-ended ADC channel to read from, 0 thru 3
         """
         if channel < 0 or channel > 3:
             raise ValueError("channel must be from 0-3")