diff --git a/wpilibc/src/main/native/include/frc/SpeedController.h b/wpilibc/src/main/native/include/frc/SpeedController.h
index a1827b4c3a..8473015fea 100644
--- a/wpilibc/src/main/native/include/frc/SpeedController.h
+++ b/wpilibc/src/main/native/include/frc/SpeedController.h
@@ -11,6 +11,8 @@ namespace frc {
 
 /**
  * Interface for speed controlling devices.
+ *
+ * @deprecated Use MotorController.
  */
 class WPI_DEPRECATED("use MotorController") SpeedController {
  public:
diff --git a/wpilibc/src/main/native/include/frc/SpeedControllerGroup.h b/wpilibc/src/main/native/include/frc/SpeedControllerGroup.h
index 23e5b017a2..5a097b50ff 100644
--- a/wpilibc/src/main/native/include/frc/SpeedControllerGroup.h
+++ b/wpilibc/src/main/native/include/frc/SpeedControllerGroup.h
@@ -15,6 +15,11 @@
 
 namespace frc {
 
+/**
+ * Allows multiple SpeedController objects to be linked together.
+ *
+ * @deprecated Use MotorControllerGroup.
+ */
 class WPI_DEPRECATED("use MotorControllerGroup") SpeedControllerGroup
     : public wpi::Sendable,
       public MotorController,
diff --git a/wpilibc/src/main/native/include/frc/motorcontrol/MotorControllerGroup.h b/wpilibc/src/main/native/include/frc/motorcontrol/MotorControllerGroup.h
index 9d2a1daa27..6f47bf938a 100644
--- a/wpilibc/src/main/native/include/frc/motorcontrol/MotorControllerGroup.h
+++ b/wpilibc/src/main/native/include/frc/motorcontrol/MotorControllerGroup.h
@@ -14,6 +14,9 @@
 
 namespace frc {
 
+/**
+ * Allows multiple MotorController objects to be linked together.
+ */
 class MotorControllerGroup : public wpi::Sendable,
                              public MotorController,
                              public wpi::SendableHelper<MotorControllerGroup> {