typo and whitespace correction

js/reveal.js

@@ -1526,7 +1526,7 @@ var Reveal = (function(){
 				state = state.concat( slideState.split( ' ' ) );
 			}
 
-			// If this slide has a data-autoslide attribtue associated use this as
+			// If this slide has a data-autoslide attribute associated use this as
 			// autoSlide value otherwise use the global configured time
 			var slideAutoSlide = slides[index].getAttribute( 'data-autoslide' );
 			if( slideAutoSlide ) {
@@ -2119,7 +2119,7 @@ var Reveal = (function(){
 
 					var value = config.keyboard[ key ];
 
-					// Calback function
+					// Callback function
 					if( typeof value === 'function' ) {
 						value.apply( null, [ event ] );
 					}