docs : elaborate on option method. Fixes #48

_posts/docs/2010-12-04-methods.mdown

@@ -91,7 +91,22 @@ Positions specified item elements in layout.
 
 {% endhighlight %}
 
-Modifies options for plugin instance.
+Modifies options for plugin instance. Can be used to get and set options. Unlike passing options through `.isotope()`, using the `option` method will not trigger layout.
+
+{% highlight javascript %}
+
+// sets multiple options
+.isotope( 'option', { layoutMode: 'fitRows', filter: '.my-filter' } )
+
+// set single option
+.isotope( 'option', 'layoutMode', 'straightDown' )
+
+// get option
+.isotope( 'option', 'layoutMode' )
+// returns 'straightDown'
+
+{% endhighlight %}
+
 
 ## reLayout