diff --git a/src/devices/absolutemotor.ts b/src/devices/absolutemotor.ts
index b46651c..eb19e56 100644
--- a/src/devices/absolutemotor.ts
+++ b/src/devices/absolutemotor.ts
@@ -40,8 +40,8 @@ export class AbsoluteMotor extends TachoMotor {
      * @method AbsoluteMotor#gotoAngle
      * @param {number} angle Absolute position the motor should go to (degrees from 0).
      * @param {number} [speed=100] For forward, a value between 1 - 100 should be set. For reverse, a value between -1 to -100.
-     * @param {boolean} interrupt If true, previous commands are discarded.
-     * @returns {Promise<CommandFeedback>} Resolved upon completion of command (ie. once the motor is finished).
+     * @param {boolean} [interrupt=false] If true, previous commands are discarded.
+     * @returns {Promise<CommandFeedback>} Resolved upon completion of command (i.e. once the motor is finished).
      */
     public gotoAngle (angle: [number, number] | number, speed: number = 100, interrupt: boolean = false) {
         if (!this.isVirtualPort && angle instanceof Array) {
@@ -72,7 +72,7 @@ export class AbsoluteMotor extends TachoMotor {
      * Real zero is marked on Technic angular motors (SPIKE Prime). It is also available on Technic linear motors (Control+) but is unmarked.
      * @method AbsoluteMotor#gotoRealZero
      * @param {number} [speed=100] Speed between 1 - 100. Note that this will always take the shortest path to zero.
-     * @returns {Promise<CommandFeedback>} Resolved upon completion of command (ie. once the motor is finished).
+     * @returns {Promise<CommandFeedback>} Resolved upon completion of command (i.e. once the motor is finished).
      */
     public gotoRealZero (speed: number = 100) {
         return new Promise<Consts.CommandFeedback>((resolve) => {
@@ -101,8 +101,8 @@ export class AbsoluteMotor extends TachoMotor {
     /**
      * Reset zero to current position
      * @method AbsoluteMotor#resetZero
-     * @param {boolean} interrupt If true, previous commands are discarded.
-     * @returns {Promise<CommandFeedback>} Resolved upon completion of command (ie. once the motor is finished).
+     * @param {boolean} [interrupt=false] If true, previous commands are discarded.
+     * @returns {Promise<CommandFeedback>} Resolved upon completion of command (i.e. once the motor is finished).
      */
     public resetZero (interrupt: boolean = false) {
         const data = Buffer.from([0x51, 0x02, 0x00, 0x00, 0x00, 0x00]);
diff --git a/src/devices/basicmotor.ts b/src/devices/basicmotor.ts
index 3041fd4..ff6d8d2 100644
--- a/src/devices/basicmotor.ts
+++ b/src/devices/basicmotor.ts
@@ -19,7 +19,7 @@ export class BasicMotor extends Device {
      * Set the motor power.
      * @method BasicMotor#setPower
      * @param {number} power For forward, a value between 1 - 100 should be set. For reverse, a value between -1 to -100. Stop is 0.
-     * @param {boolean} interrupt If true, previous commands are discarded.
+     * @param {boolean} [interrupt=false] If true, previous commands are discarded.
      * @returns {Promise<CommandFeedback>} Resolved upon completion of command.
      */
     public setPower (power: number, interrupt: boolean = false) {
diff --git a/src/devices/light.ts b/src/devices/light.ts
index b40abf0..33526ab 100644
--- a/src/devices/light.ts
+++ b/src/devices/light.ts
@@ -20,7 +20,7 @@ export class Light extends Device {
      * @method Light#setBrightness
      * @param {number} brightness Brightness value between 0-100 (0 is off)
      * @param {number} brightness Brightness value between 0-100 (0 is off)
-     * @param {boolean} interrupt If true, previous commands are discarded.
+     * @param {boolean} [interrupt=false] If true, previous commands are discarded.
      * @returns {Promise<CommandFeedback>} Resolved upon completion of command.
      */
     public setBrightness (brightness: number, interrupt: boolean = false) {
diff --git a/src/devices/piezobuzzer.ts b/src/devices/piezobuzzer.ts
index 5a3f8fa..8de1e05 100644
--- a/src/devices/piezobuzzer.ts
+++ b/src/devices/piezobuzzer.ts
@@ -21,7 +21,7 @@ export class PiezoBuzzer extends Device {
      * @method PiezoBuzzer#playTone
      * @param {number} frequency
      * @param {number} time How long the tone should play for (in milliseconds).
-     * @returns {Promise<CommandFeedback>} Resolved upon completion of command (ie. once the tone has finished playing).
+     * @returns {Promise<CommandFeedback>} Resolved upon completion of command (i.e. once the tone has finished playing).
      */
     public playTone (frequency: number, time: number) {
         return new Promise<Consts.CommandFeedback>((resolve) => {
diff --git a/src/devices/tachomotor.ts b/src/devices/tachomotor.ts
index 233e6a1..0e7df86 100644
--- a/src/devices/tachomotor.ts
+++ b/src/devices/tachomotor.ts
@@ -67,8 +67,8 @@ export class TachoMotor extends BasicMotor {
      * @method TachoMotor#setAccelerationTime
      * @param {number} time How long acceleration should last (in milliseconds).
      * @param {number} profile 0 by default
-     * @param {boolean} interrupt If true, previous commands are discarded.
-     * @returns {Promise<CommandFeedback>} Resolved upon completion of command (ie. once the motor is finished).
+     * @param {boolean} [interrupt=false] If true, previous commands are discarded.
+     * @returns {Promise<CommandFeedback>} Resolved upon completion of command (i.e. once the motor is finished).
      */
     public setAccelerationTime (time: number, profile: number = 0x00, interrupt: boolean = false) {
         const message = Buffer.from([0x05, 0x00, 0x00, profile]);
@@ -82,8 +82,8 @@ export class TachoMotor extends BasicMotor {
      * @method TachoMotor#setDecelerationTime
      * @param {number} time How long deceleration should last (in milliseconds).
      * @param {number} profile 0 by default
-     * @param {boolean} interrupt If true, previous commands are discarded.
-     * @returns {Promise<CommandFeedback>} Resolved upon completion of command (ie. once the motor is finished).
+     * @param {boolean} [interrupt=false] If true, previous commands are discarded.
+     * @returns {Promise<CommandFeedback>} Resolved upon completion of command (i.e. once the motor is finished).
      */
     public setDecelerationTime (time: number, profile: number = 0x00, interrupt: boolean = true) {
         const message = Buffer.from([0x06, 0x00, 0x00, profile]);
@@ -97,8 +97,8 @@ export class TachoMotor extends BasicMotor {
      * @method TachoMotor#setSpeed
      * @param {number} speed For forward, a value between 1 - 100 should be set. For reverse, a value between -1 to -100. Stop is 0.
      * @param {number} time How long the motor should run for (in milliseconds).
-     * @param {boolean} interrupt If true, previous commands are discarded.
-     * @returns {Promise<CommandFeedback>} Resolved upon completion of command (ie. once the motor is finished).
+     * @param {boolean} [interrupt=false] If true, previous commands are discarded.
+     * @returns {Promise<CommandFeedback>} Resolved upon completion of command (i.e. once the motor is finished).
      */
     public setSpeed (speed: [number, number] | number, time: number | undefined, interrupt: boolean = false) {
         if (!this.isVirtualPort && speed instanceof Array) {
@@ -133,8 +133,8 @@ export class TachoMotor extends BasicMotor {
      * @method TachoMotor#rotateByDegrees
      * @param {number} degrees How much the motor should be rotated (in degrees).
      * @param {number} [speed=100] For forward, a value between 1 - 100 should be set. For reverse, a value between -1 to -100.
-     * @param {boolean} interrupt If true, previous commands are discarded.
-     * @returns {Promise<CommandFeedback>} Resolved upon completion of command (ie. once the motor is finished).
+     * @param {boolean} [interrupt=false] If true, previous commands are discarded.
+     * @returns {Promise<CommandFeedback>} Resolved upon completion of command (i.e. once the motor is finished).
      */
     public rotateByDegrees (degrees: number, speed: [number, number] | number, interrupt: boolean = false) {
         if (!this.isVirtualPort && speed instanceof Array) {