Address doc issue raised in PR.

Author: brettle

src/main/java/org/carlmontrobotics/lib199/sim/MockedEncoder.java

@@ -45,6 +45,8 @@ public class MockedEncoder implements AbsoluteEncoder, AnalogInput, AutoCloseabl
      * @param absolute Whether the encoder is an absolute encoder. This flag caps the position to
      *        one rotation via. {@link MathUtil#inputModulus(double, double, double)}, disables
      *        {@link #setPosition(double)}, and enables {@link #setZeroOffset(double)}.
+     * 
+     *        {@link #getVelocity()} will return a value in rpm.
      */
     public MockedEncoder(SimDevice device, int countsPerRev, boolean analog,
             boolean absolute) {