From 0922f8af592dc87d96726c632195192f35e1687c Mon Sep 17 00:00:00 2001
From: Blake Bourque <Techplex.Engineer@gmail.com>
Date: Thu, 4 Mar 2021 02:56:57 -0500
Subject: [PATCH] [commands] CommandScheduler.requiring(): Note return can be
 null (NFC) (#2934)

---
 .../java/edu/wpi/first/wpilibj2/command/CommandScheduler.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wpilibNewCommands/src/main/java/edu/wpi/first/wpilibj2/command/CommandScheduler.java b/wpilibNewCommands/src/main/java/edu/wpi/first/wpilibj2/command/CommandScheduler.java
index 3baf6fda21..9ab640b0de 100644
--- a/wpilibNewCommands/src/main/java/edu/wpi/first/wpilibj2/command/CommandScheduler.java
+++ b/wpilibNewCommands/src/main/java/edu/wpi/first/wpilibj2/command/CommandScheduler.java
@@ -450,7 +450,7 @@ public final class CommandScheduler implements Sendable, AutoCloseable {
    * requiring the subsystem
    *
    * @param subsystem the subsystem to be inquired about
-   * @return the command currently requiring the subsystem
+   * @return the command currently requiring the subsystem, or null if no command is currently scheduled
    */
   public Command requiring(Subsystem subsystem) {
     return m_requirements.get(subsystem);