diff --git a/tests/unit/slider/common.js b/tests/unit/slider/common.js
index e623a7402..5cc3e66c5 100644
--- a/tests/unit/slider/common.js
+++ b/tests/unit/slider/common.js
@@ -23,7 +23,7 @@ common.testWidget( "slider", {
 		value: 0,
 		values: null,
 
-		// callbacks
+		// Callbacks
 		create: null,
 		change: null,
 		slide: null,
diff --git a/tests/unit/slider/methods.js b/tests/unit/slider/methods.js
index 5a87edfda..a4187bd7f 100644
--- a/tests/unit/slider/methods.js
+++ b/tests/unit/slider/methods.js
@@ -88,7 +88,7 @@ test( "value", function() {
 	equal( element.slider( "value", 2 ), element, "value method is chainable" );
 	equal( element.slider( "option", "value" ), 1, "value method set respects max" );
 
-	// set max value with step 0.01
+	// Set max value with step 0.01
 	element.slider( "option", {
 		min: 2,
 		value: 2,
diff --git a/tests/unit/slider/options.js b/tests/unit/slider/options.js
index 3853c4c5d..f6b61a2b3 100644
--- a/tests/unit/slider/options.js
+++ b/tests/unit/slider/options.js
@@ -20,7 +20,7 @@ test( "disabled", function( assert ){
 		count++;
 	});
 
-	// enabled
+	// Enabled
 	assert.lacksClasses( element, "ui-slider-disabled" );
 	equal( element.slider( "option", "disabled" ), false , "is not disabled" );
 
@@ -30,7 +30,7 @@ test( "disabled", function( assert ){
 	handle().simulate( "keydown", { keyCode: $.ui.keyCode.RIGHT } );
 	equal( count, 2, "slider moved" );
 
-	// disabled
+	// Disabled
 	element.slider( "option", "disabled", true );
 	assert.hasClasses( element, "ui-slider-disabled" );
 	equal( element.slider( "option", "disabled" ), true, "is disabled" );
@@ -240,7 +240,7 @@ test( "step", function() {
 test( "values", function() {
 	expect( 2 );
 
-	// testing multiple ranges on the same page, the object reference to the values
+	// Testing multiple ranges on the same page, the object reference to the values
 	// property is preserved via multiple range elements, so updating options.values
 	// of 1 slider updates options.values of all the others
 	var ranges = $([
@@ -270,7 +270,7 @@ test( "range", function( assert ) {
 	expect( 32 );
 	var range;
 
-	// min
+	// Min
 	element = $( "<div></div>" ).slider({
 		range: "min",
 		min: 1,
@@ -282,7 +282,7 @@ test( "range", function( assert ) {
 	equal( element.find( ".ui-slider-range-min" ).length, 1, "range min" );
 	element.slider( "destroy" );
 
-	// max
+	// Max
 	element = $( "<div></div>" ).slider({
 		range: "max",
 		min: 1,
@@ -294,7 +294,7 @@ test( "range", function( assert ) {
 	equal( element.find( ".ui-slider-range-max" ).length, 1, "range max" );
 	element.slider( "destroy" );
 
-	// true
+	// True
 	element = $( "<div></div>" ).slider({
 		range: true,
 		min: 1,
diff --git a/ui/widgets/slider.js b/ui/widgets/slider.js
index 1ab319ebb..792fa4da2 100644
--- a/ui/widgets/slider.js
+++ b/ui/widgets/slider.js
@@ -57,14 +57,14 @@ return $.widget( "ui.slider", $.ui.mouse, {
 		value: 0,
 		values: null,
 
-		// callbacks
+		// Callbacks
 		change: null,
 		slide: null,
 		start: null,
 		stop: null
 	},
 
-	// number of pages in a slider
+	// Number of pages in a slider
 	// (how many times can you page up/down to go through the whole range)
 	numPages: 5,
 
@@ -516,7 +516,7 @@ return $.widget( "ui.slider", $.ui.mouse, {
 		}
 	},
 
-	// returns the step-aligned value that val is closest to, between (inclusive) min and max
+	// Returns the step-aligned value that val is closest to, between (inclusive) min and max
 	_trimAlignValue: function( val ) {
 		if ( val <= this._valueMin() ) {
 			return this._valueMin();