diff --git a/pybricks/ev3devices.py b/pybricks/ev3devices.py
index be089d1..980947d 100644
--- a/pybricks/ev3devices.py
+++ b/pybricks/ev3devices.py
@@ -76,10 +76,9 @@ class ColorSensor:
         """Measure the reflection of a surface using a red, green, and then a
         blue light.
 
-        Returns:
-            tuple of three :ref:`percentages <percentage>`: Reflection for red,
-            green, and blue light, each ranging from 0.0 (no reflection) to
-            100.0 (high reflection).
+        :returns: Tuple of reflections for red, green, and blue light, each
+                  ranging from 0.0 (no reflection) to 100.0 (high reflection).
+        :rtype: (:ref:`percentage`, :ref:`percentage`, :ref:`percentage`)
         """
         pass
 
diff --git a/pybricks/nxtdevices.py b/pybricks/nxtdevices.py
index f401a12..ccef0c9 100644
--- a/pybricks/nxtdevices.py
+++ b/pybricks/nxtdevices.py
@@ -111,10 +111,9 @@ class ColorSensor:
         """Measure the reflection of a surface using a red, green, and then a
         blue light.
 
-        Returns:
-            tuple of three :ref:`percentages <percentage>`: Reflection for red,
-            green, and blue light, each ranging from 0.0 (no reflection) to
-            100.0 (high reflection).
+        :returns: Tuple of reflections for red, green, and blue light, each
+                  ranging from 0.0 (no reflection) to 100.0 (high reflection).
+        :rtype: (:ref:`percentage`, :ref:`percentage`, :ref:`percentage`)
         """
         pass
 
diff --git a/pybricks/pupdevices.py b/pybricks/pupdevices.py
index 17ec93d..8ace5e0 100644
--- a/pybricks/pupdevices.py
+++ b/pybricks/pupdevices.py
@@ -85,10 +85,9 @@ class ColorDistanceSensor:
         """Measure the reflection of a surface using a red, green, and then a
         blue light.
 
-        Returns:
-            tuple of three :ref:`percentages <percentage>`: Reflection for red,
-            green, and blue light, each ranging from 0.0 (no reflection) to
-            100.0 (high reflection).
+        :returns: Tuple of reflections for red, green, and blue light, each
+                  ranging from 0.0 (no reflection) to 100.0 (high reflection).
+        :rtype: (:ref:`percentage`, :ref:`percentage`, :ref:`percentage`)
         """
         pass