diff --git a/sysid/src/main/native/include/sysid/analysis/ArmSim.h b/sysid/src/main/native/include/sysid/analysis/ArmSim.h
index af6c10e5a34..1e80b8203ae 100644
--- a/sysid/src/main/native/include/sysid/analysis/ArmSim.h
+++ b/sysid/src/main/native/include/sysid/analysis/ArmSim.h
@@ -33,7 +33,7 @@ class ArmSim {
    * forward dt seconds.
    *
    * @param voltage Voltage to apply over the timestep.
-   * @param dt      Sammple period.
+   * @param dt      Sample period.
    */
   void Update(units::volt_t voltage, units::second_t dt);
 
diff --git a/sysid/src/main/native/include/sysid/analysis/ElevatorSim.h b/sysid/src/main/native/include/sysid/analysis/ElevatorSim.h
index 2d0c5f68c8b..82db2de7ade 100644
--- a/sysid/src/main/native/include/sysid/analysis/ElevatorSim.h
+++ b/sysid/src/main/native/include/sysid/analysis/ElevatorSim.h
@@ -31,7 +31,7 @@ class ElevatorSim {
    * dt seconds.
    *
    * @param voltage Voltage to apply over the timestep.
-   * @param dt      Sammple period.
+   * @param dt      Sample period.
    */
   void Update(units::volt_t voltage, units::second_t dt);
 
diff --git a/sysid/src/main/native/include/sysid/analysis/SimpleMotorSim.h b/sysid/src/main/native/include/sysid/analysis/SimpleMotorSim.h
index a452c640626..920810ffed6 100644
--- a/sysid/src/main/native/include/sysid/analysis/SimpleMotorSim.h
+++ b/sysid/src/main/native/include/sysid/analysis/SimpleMotorSim.h
@@ -30,7 +30,7 @@ class SimpleMotorSim {
    * seconds.
    *
    * @param voltage Voltage to apply over the timestep.
-   * @param dt      Sammple period.
+   * @param dt      Sample period.
    */
   void Update(units::volt_t voltage, units::second_t dt);