diff --git a/lib/intval/Readme.md b/lib/intval/Readme.md
index 549eda3..e893021 100644
--- a/lib/intval/Readme.md
+++ b/lib/intval/Readme.md
@@ -13,7 +13,7 @@ Class representing the intval3 features
     * [._stop()](#Intval+_stop)
     * [._watchMicro(err, val)](#Intval+_watchMicro)
     * [._watchRelease(err, val)](#Intval+_watchRelease)
-    * [.frame(dir, time, delay)](#Intval+frame)
+    * [.frame([dir], [time], [delay])](#Intval+frame)
 
 <a name="Intval+_declarePins"></a>
 
@@ -55,8 +55,14 @@ Stop motor by setting both motor pins to 0 (LOW)
 
 ### intval._watchMicro(err, val)
 Intval._watchMicro() - 
-Callback for watching microswitch state changes
-Using GPIO 06 on raspberry pi zero w
+Callback for watching relese switch state changes.
+Using GPIO 06 on Raspberry Pi Zero W.
+* If closed, start timer.
+* If opened, check timer AND
+
+Microswitch + 10K ohm resistor 
+* 1 === open 
+* 0 === closed
 
 **Kind**: instance method of [<code>Intval</code>](#Intval)  
 
@@ -69,12 +75,17 @@ Using GPIO 06 on raspberry pi zero w
 
 ### intval._watchRelease(err, val)
 Intval._watchRelease() - 
-Callback for watching relese switch state changes
-Using GPIO 05 on raspberry pi zero w
-* If closed, start timer.
-* If opened, check timer AND
-* If time closed longer than minimum and less than `this._releaseSequence`, start frame
-* If time closed longer than `this._releaseSequence`, start sequence
+Callback for watching relese switch state changes.
+Using GPIO 05 on Raspberry Pi Zero W.
+
+1) If closed, start timer.
+2) If opened, check timer AND
+3) If `press` (`NOW - this._state.release.time`) greater than minimum and less than `this._releaseSequence`, start frame
+4) If `press` greater than `this._releaseSequence`, start sequence
+
+Button + 10K ohm resistor 
+* 1 === open 
+* 0 === closed
 
 **Kind**: instance method of [<code>Intval</code>](#Intval)  
 
@@ -85,7 +96,7 @@ Using GPIO 05 on raspberry pi zero w
 
 <a name="Intval+frame"></a>
 
-### intval.frame(dir, time, delay)
+### intval.frame([dir], [time], [delay])
 Intval.frame() -
 Begin a single frame with set variables or defaults
 
@@ -93,7 +104,7 @@ Begin a single frame with set variables or defaults
 
 | Param | Type | Default | Description |
 | --- | --- | --- | --- |
-| dir | <code>boolean</code> | <code></code> | (optional) Direction of the frame |
-| time | <code>integer</code> | <code></code> | (optional) Exposure time, 0 = minimum |
-| delay | <code>delay</code> | <code></code> | (optional) Delay after frame before another can be started |
+| [dir] | <code>boolean</code> | <code>&quot;null&quot;</code> | (optional) Direction of the frame |
+| [time] | <code>integer</code> | <code>&quot;null&quot;</code> | (optional) Exposure time, 0 = minimum |
+| [delay] | <code>integer</code> | <code>&quot;null&quot;</code> | (optional) Delay after frame before another can be started |
 
diff --git a/lib/intval/index.js b/lib/intval/index.js
index 35481b6..c3f31e0 100644
--- a/lib/intval/index.js
+++ b/lib/intval/index.js
@@ -118,17 +118,21 @@ class Intval {
 	}
 	/**
 	* Intval._watchMicro() - 
-	* Callback for watching microswitch state changes
-	* Using GPIO 06 on raspberry pi zero w
+	* Callback for watching relese switch state changes.
+	* Using GPIO 06 on Raspberry Pi Zero W.
+	* * If closed, start timer.
+	* * If opened, check timer AND
+	*
+	* Microswitch + 10K ohm resistor 
+	* * 1 === open 
+	* * 0 === closed
+	*
 	*
 	* @param {object} 	err 	Error object present if problem reading pin
 	* @param {integer} 	val 	Current value of the pin
 	*
 	*/
 	_watchMicro (err, val) {
-		/* Microswitch + 10K ohm resistor */
-		/* 1 = open */
-		/* 0 = closed */
 		if (err) {
 			console.error(err)
 		}
@@ -137,12 +141,17 @@ class Intval {
 	}
 	/**
 	* Intval._watchRelease() - 
-	* Callback for watching relese switch state changes
-	* Using GPIO 05 on raspberry pi zero w
-	* * If closed, start timer.
-	* * If opened, check timer AND
-	* * If time closed longer than minimum and less than `this._releaseSequence`, start frame
-	* * If time closed longer than `this._releaseSequence`, start sequence
+	* Callback for watching relese switch state changes.
+	* Using GPIO 05 on Raspberry Pi Zero W.
+	*
+	* 1) If closed, start timer.
+	* 2) If opened, check timer AND
+	* 3) If `press` (`NOW - this._state.release.time`) greater than minimum and less than `this._releaseSequence`, start frame
+	* 4) If `press` greater than `this._releaseSequence`, start sequence
+	*
+	* Button + 10K ohm resistor 
+	* * 1 === open 
+	* * 0 === closed
 	*
 	* @param {object} 	err 	Error object present if problem reading pin
 	* @param {integer} 	val 	Current value of the pin
@@ -151,9 +160,6 @@ class Intval {
 	_watchRelease (err, val) {
 		const NOW = +new Date()
 		let press = 0
-		/* Button + 10K ohm resistor */
-		/* 1 = open */
-		/* 0 = closed */
 		if (err) {
 			return console.error(err)
 		}
@@ -188,9 +194,9 @@ class Intval {
 	* Intval.frame() -
 	* Begin a single frame with set variables or defaults
 	*
-	* @param {boolean} 	dir 	(optional) Direction of the frame
-	* @param {integer} 	time 	(optional) Exposure time, 0 = minimum
-	* @param {delay} 	delay 	(optional) Delay after frame before another can be started
+	* @param {?boolean} 	[dir="null"] 		(optional) Direction of the frame
+	* @param {?integer} 	[time="null"] 		(optional) Exposure time, 0 = minimum
+	* @param {?integer} 	[delay="null"] 		(optional) Delay after frame before another can be started
 	*
 	*/
 	frame (dir = null, time = null, delay = null) { //may be overloaded, delay is suspect