diff --git a/wpilibOldCommands/src/main/java/edu/wpi/first/wpilibj/command/PIDSubsystem.java b/wpilibOldCommands/src/main/java/edu/wpi/first/wpilibj/command/PIDSubsystem.java
index 1f30f38683..7bb6331722 100644
--- a/wpilibOldCommands/src/main/java/edu/wpi/first/wpilibj/command/PIDSubsystem.java
+++ b/wpilibOldCommands/src/main/java/edu/wpi/first/wpilibj/command/PIDSubsystem.java
@@ -1,5 +1,5 @@
 /*----------------------------------------------------------------------------*/
-/* Copyright (c) 2008-2019 FIRST. All Rights Reserved.                        */
+/* Copyright (c) 2008-2020 FIRST. All Rights Reserved.                        */
 /* Open Source Software - may be modified and shared by FRC teams. The code   */
 /* must be accompanied by the FIRST BSD license file in the root directory of */
 /* the project.                                                               */
@@ -66,7 +66,7 @@ public abstract class PIDSubsystem extends Subsystem {
   }
 
   /**
-   * Instantiates a {@link PIDSubsystem} that will use the given p, i and d values.
+   * Instantiates a {@link PIDSubsystem} that will use the given p, i, d, and f values.
    *
    * @param name the name
    * @param p    the proportional value
@@ -82,7 +82,7 @@ public abstract class PIDSubsystem extends Subsystem {
   }
 
   /**
-   * Instantiates a {@link PIDSubsystem} that will use the given p, i and d values. It will also
+   * Instantiates a {@link PIDSubsystem} that will use the given p, i, d, and f values. It will also
    * space the time between PID loop calculations to be equal to the given period.
    *
    * @param name   the name
@@ -114,9 +114,9 @@ public abstract class PIDSubsystem extends Subsystem {
   }
 
   /**
-   * Instantiates a {@link PIDSubsystem} that will use the given p, i and d values. It will use the
-   * class name as its name. It will also space the time between PID loop calculations to be equal
-   * to the given period.
+   * Instantiates a {@link PIDSubsystem} that will use the given p, i, d, and f values. It will use
+   * the class name as its name. It will also space the time between PID loop calculations to be
+   * equal to the given period.
    *
    * @param p      the proportional value
    * @param i      the integral value
diff --git a/wpilibOldCommands/src/main/native/include/frc/commands/PIDSubsystem.h b/wpilibOldCommands/src/main/native/include/frc/commands/PIDSubsystem.h
index 2afc05bfb9..fd9b4879e0 100644
--- a/wpilibOldCommands/src/main/native/include/frc/commands/PIDSubsystem.h
+++ b/wpilibOldCommands/src/main/native/include/frc/commands/PIDSubsystem.h
@@ -1,5 +1,5 @@
 /*----------------------------------------------------------------------------*/
-/* Copyright (c) 2011-2019 FIRST. All Rights Reserved.                        */
+/* Copyright (c) 2011-2020 FIRST. All Rights Reserved.                        */
 /* Open Source Software - may be modified and shared by FRC teams. The code   */
 /* must be accompanied by the FIRST BSD license file in the root directory of */
 /* the project.                                                               */
@@ -40,7 +40,7 @@ class PIDSubsystem : public Subsystem, public PIDOutput, public PIDSource {
   PIDSubsystem(const wpi::Twine& name, double p, double i, double d);
 
   /**
-   * Instantiates a PIDSubsystem that will use the given P, I, and D values.
+   * Instantiates a PIDSubsystem that will use the given P, I, D, and F values.
    *
    * @param name the name
    * @param p    the proportional value
@@ -51,7 +51,7 @@ class PIDSubsystem : public Subsystem, public PIDOutput, public PIDSource {
   PIDSubsystem(const wpi::Twine& name, double p, double i, double d, double f);
 
   /**
-   * Instantiates a PIDSubsystem that will use the given P, I, and D values.
+   * Instantiates a PIDSubsystem that will use the given P, I, D, and F values.
    *
    * It will also space the time between PID loop calculations to be equal to
    * the given period.
@@ -78,7 +78,7 @@ class PIDSubsystem : public Subsystem, public PIDOutput, public PIDSource {
   PIDSubsystem(double p, double i, double d);
 
   /**
-   * Instantiates a PIDSubsystem that will use the given P, I, and D values.
+   * Instantiates a PIDSubsystem that will use the given P, I, D, and F values.
    *
    * It will use the class name as its name.
    *
@@ -90,7 +90,7 @@ class PIDSubsystem : public Subsystem, public PIDOutput, public PIDSource {
   PIDSubsystem(double p, double i, double d, double f);
 
   /**
-   * Instantiates a PIDSubsystem that will use the given P, I, and D values.
+   * Instantiates a PIDSubsystem that will use the given P, I, D, and F values.
    *
    * It will use the class name as its name. It will also space the time
    * between PID loop calculations to be equal to the given period.