message: Update commands.md
  Fixes typo
diff: @@ -85,7 +85,7 @@ An upcoming feature will enable automatic tuning. Until then, here is a rough tu
  ### Encoder position and velocity
  * View encoder position with `<axis>.encoder.pos_estimate` [counts]
  -* View rotational velocity with `<axis>.encoder.pll_vel` [counts/s]
  +* View rotational velocity with `<axis>.encoder.vel_estimate` [counts/s]
  ### Motor current and torque estimation
  * View the commanded motor current with `<axis>.motor.current_control.Iq_setpoint` [A]
  