Update Readme.md

Be more explicit: calls go onto jQuery object, not plain element

Readme.md

@@ -7,7 +7,7 @@ But there are some great things about it: it is quite small, does not produce ma
 ## Usage
 Have an empty element ready. Include the js and css files and you’re good to go:
 
-	element.starbox({
+	$(element).starbox({
 		average: 0.42,
 		changeable: 'once',
 		autoUpdateAverage: true,
@@ -120,4 +120,4 @@ jStarbox is freely distributable under the terms of an MIT-style license.
 There is no rounding of the initial average. If you want a nice full-star (or half-star) value, round it yourself first (you know how to do that!).
 
 ### Images
-The philosophy follows that of the original Starbox which means it uses semi-transparent images under whose it displays bars with the same height and an arbitrary length (representing the rating). These bars are relatively easily stylable using background colors (or even images). The only drawback (I can think of) is that Starboxes don’t work on non-unicolor backgrounds (at least not if you don’t exactly know which part of the background they’re going to land on) and require new images for non-white unicolor backgrounds.
+The philosophy follows that of the original Starbox which means it uses semi-transparent images under whose it displays bars with the same height and an arbitrary length (representing the rating). These bars are relatively easily stylable using background colors (or even images). The only drawback (I can think of) is that Starboxes don’t work on non-unicolor backgrounds (at least not if you don’t exactly know which part of the background they’re going to land on) and require new images for non-white unicolor backgrounds.