diff --git a/adafruit_ble_cycling_speed_and_cadence.py b/adafruit_ble_cycling_speed_and_cadence.py
index 3bd141f..228a7f7 100644
--- a/adafruit_ble_cycling_speed_and_cadence.py
+++ b/adafruit_ble_cycling_speed_and_cadence.py
@@ -63,20 +63,20 @@
 )
 """Namedtuple for measurement values.
 
-.. py:attribute:: CSCMeasurementValues.cumulative_wheel_revolutions
+.. :attribute:: cumulative_wheel_revolutions:
 
         Cumulative wheel revolutions (int).
 
-.. py:attribute:: CSCMeasurementValues.last_wheel_event_time
+.. :attribute:: last_wheel_event_time:
 
         Time (int), units in 1024ths of a second, when last wheel event was measured.
         This is a monotonically increasing clock value, not an interval.
 
-.. py:attribute:: CSCMeasurementValues.cumulative_wheel_revolutions
+.. :attribute:: cumulative_crank_revolutions:
 
         Cumulative crank revolutions (int).
 
-.. py:attribute:: CSCMeasurementValues.last_wheel_event_time
+.. :attribute:: last_crank_event_time:
 
         Time (int), units in 1024ths of a second, when last crank event was measured.
         This is a monotonically increasing clock value, not an interval.
@@ -145,7 +145,9 @@ class CyclingSpeedAndCadenceService(Service):
 
     def __init__(self, service=None):
         super().__init__(service=service)
-        self._measurement_buf = bytearray(self.csc_measurement.packet_size) #pylint: disable=no-member
+        self._measurement_buf = bytearray(
+            self.csc_measurement.packet_size  # pylint: disable=no-member
+        )
 
     @property
     def measurement_values(self):
@@ -168,7 +170,7 @@ def measurement_values(self):
         #
 
         buf = self._measurement_buf
-        packet_length = self.csc_measurement.readinto(buf) #pylint: disable=no-member
+        packet_length = self.csc_measurement.readinto(buf)  # pylint: disable=no-member
         if packet_length == 0:
             return None
         flags = buf[0]
diff --git a/docs/conf.py b/docs/conf.py
index 67c848b..c09cb91 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -38,18 +38,18 @@
 master_doc = "index"
 
 # General information about the project.
-project = u"Adafruit BLE_Cycling_Speed_and_Cadence Library"
-copyright = u"2020 Adafruit Industries"
-author = u"Adafruit Industries"
+project = "Adafruit BLE_Cycling_Speed_and_Cadence Library"
+copyright = "2020 Adafruit Industries"
+author = "Adafruit Industries"
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
 # built documents.
 #
 # The short X.Y version.
-version = u"1.0"
+version = "1.0"
 # The full version, including alpha/beta/rc tags.
-release = u"1.0"
+release = "1.0"
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -140,7 +140,7 @@
     (
         master_doc,
         "AdafruitBLE_Cycling_Speed_And_CadenceLibrary.tex",
-        u"AdafruitBLE_Cycling_Speed_And_Cadence Library Documentation",
+        "AdafruitBLE_Cycling_Speed_And_Cadence Library Documentation",
         author,
         "manual",
     ),
@@ -154,7 +154,7 @@
     (
         master_doc,
         "AdafruitBLE_Cycling_Speed_And_Cadencelibrary",
-        u"Adafruit BLE_Cycling_Speed_And_Cadence Library Documentation",
+        "Adafruit BLE_Cycling_Speed_And_Cadence Library Documentation",
         [author],
         1,
     )
@@ -169,7 +169,7 @@
     (
         master_doc,
         "AdafruitBLE_Cycling_Speed_And_CadenceLibrary",
-        u"Adafruit BLE_Cycling_Speed_And_Cadence Library Documentation",
+        "Adafruit BLE_Cycling_Speed_And_Cadence Library Documentation",
         author,
         "AdafruitBLE_Cycling_Speed_And_CadenceLibrary",
         "One line description of project.",