update docs

Author: BlitzCityDIY

adafruit_ad569x.py

@@ -66,13 +66,22 @@ def __init__(self, i2c: I2C, address: int = 0x4C) -> None:
         :param address: The I2C address of the device. Defaults to 0x4C.
         """
         self.i2c_device = I2CDevice(i2c, address)
+        self.normal_mode = const(0x00)
         """
-        Mode options
+        Normal mode
         """
-        self.normal_mode = const(0x00)
         self.output_1k_impedance = const(0x01)
+        """
+        1K impedance mode
+        """
         self.output_100k_impedance = const(0x02)
+        """
+        100K impedance mode
+        """
         self.output_tristate = const(0x03)
+        """
+        Tri-state mode
+        """
 
         try:
             self.reset()